On grammatical class:

bi'ei
number/digit: 2(2×5/3) = 8×(2(1/3)).
ci'i'e
transfnite cardinal beth
ci'i'o
transfinite ordinal little-omega; if followed by a number, it denotes the ordinal which is little-omega subscripted therewith in English notation
ci'i'oi
transfinite ordinal little-epsilon; if followed by a number, in English notation, the following number would be denoted by a subscript
dau'e
Numeral: Some but not all.
mu'i'u
base-dependent digit: representing exactly one half of one more than the maximum possible single-digit number expressible in the relevant number base
ru'oi
quantifier: "all" (as opposed to "every")
sai'i
digit/number: exactly enough and no more.
si'i'ai
digit/number: a finite/bounded number, finitely many.
soi'ai
almost all/almost every/almost everywhere (technical sense): there is a conull subset of such things that are satisfactory
soi'au
almost none/almost no/almost nowhere (technical sense): the subset of satisfactory such things is null
vu'ai
base-dependent digit: the maximum possible single-digit number expressible in the relevant number base.
bi
digit/number: 8 (digit) [eight].
ce'i
digit/number: % percentage symbol, hundredths.
ci
digit/number: 3 (digit) [three].
ci'i
digit/number: infinity; followed by digits => aleph cardinality.
da'a
digit/number: all except n; all but n; default 1.
dau
digit/number: hex digit A (decimal 10) [ten].
du'e
digit/number: too many; subjective.
fei
digit/number: hex digit B (decimal 11) [eleven].
fi'u
digit/number: fraction slash; default "/n" => 1/n, "n/" => n/1, or "/" alone => golden ratio.
gai
digit/number: hex digit C (decimal 12) [twelve].
jau
digit/number: hex digit D (decimal 13) [thirteen].
ji'i
digit/number: approximately (default the typical value in this context) (number).
ka'o
digit/number: imaginary i; square root of -1.
ki'o
digit/number: number comma; thousands.
ma'u
digit/number: plus sign; positive number; default any positive.
me'i
digit/number: less than.
mo'a
digit/number: too few; subjective.
mu
digit/number: 5 (digit) [five].
ni'u
digit/number: minus sign; negative number); default any negative.
no
digit/number: 0 (digit) [zero].
no'o
digit/number: typical/average value.
pa
digit/number: 1 (digit) [one].
pai
digit/number: pi (approximately 3.1416...); the constant defined by the ratio of the circumference to the diameter of all circles.
pi
digit/number: radix (number base) point; default decimal.
pi'e
digit/number:separates digits for base >16, not current standard, or variable (e.g. time, date).
ra'e
digit/number: repeating digits (of a decimal) follow.
rau
digit/number: enough; subjective.
re
digit/number: 2 (digit) [two].
rei
digit/number: hex digit E (decimal 14) [fourteen].
ro
digit/number: each, all.
so
digit/number: 9 (digit) [nine].
so'a
digit/number: almost all (digit/number).
so'e
digit/number: most.
so'i
digit/number: many.
so'o
digit/number: several.
so'u
digit/number: few.
su'e
digit/number: at most (all); no more than.
su'o
digit/number: at least (some); no less than.
te'o
digit/number: exponential e (approx 2.71828...).
tu'o
null operand (used in unary mekso operations).
vai
digit/number: hex digit F (decimal 15) [fifteen].
vo
digit/number: 4 (digit) [four].
xa
digit/number: 6 (digit) [six].
xo
digit/number: number/digit/lerfu question.
za'u
digit/number: greater than.
ze
digit/number: 7 (digit) [seven].
biki'o
number/quantity: 8,000 expressed with comma.
bino
number/quantity: 80 [eighty].
binono
number/quantity: 800 [eight hundred].
binonovo
number/quantity: 8004, without comma.
ci'ino
Digit string: aleph-nought, aleph-0, the cardinality of the natural (alternatively: integer) numbers
ciki'o
number/quantity: 3,000 expressed with comma.
cino
number/quantity: 30 [thirty].
cinono
number/quantity: 300 [three hundred].
fi'ure
half.
ji'ima'u
rounded up (appended after string of digits indicating a rounded value).
ji'ini'u
rounded down (appended after string of digits indicating a rounded value).
muki'o
number/quantity: 5,000 expressed with comma.
muno
number/quantity: 50 [fifty].
munono
number/quantity: 500 [five hundred].
noka'ono
Complex zero; 0 = (0,0) = 0 + 0i.
pabi
number/quantity: 18 [eighteen].
paci
number/quantity: 13 [thirteen].
paki'o
number/quantity: 1,000 expressed with comma.
pamu
number/quantity: 15 [fifteen].
pano
number/quantity: 10 [ten].
panoki'oki'o
number/quantity: 10,000,000 [ten millions](Western numbering system/1,00,00,000 [100 lakhs](Indian numbering system).
panono
number/quantity: 100 [one hundred].
panonoki'o
number/quantity: 100,000 [hundred thousand](Western numbering system)/[one lakh](Indian numbering system)..
papa
number/quantity: 11 [eleven].
pare
number/quantity: 12 [twelve].
paso
number/quantity: 19 [nineteen].
pavo
number/quantity: 14 [fourteen].
paxa
number/quantity: 16 [sixteen].
paze
number/quantity: 17 [seventeen].
pidu'e
number: too much of.
piji'i
number: approximately all of.
pimo'a
number: too little of.
pimu
half.
piro
number: all of.
piso'a
number: almost all of.
piso'e
number: most of.
piso'i
number: much of.
pisoi'ai
almost all of/almost 1/almost surely/almost certainly (technical sense)
pisoi'au
almost none of/almost 0/almost never/almost certainly not/nearly nothing of (technical sense)
piso'o
number: some of.
piso'u
number: a little of.
pisu'o
number: at least some of.
pizau'u
arbitrarily much of, arbitrarily close to 1, an arbitrarily large proper fraction/percentage of
reki'o
number/quantity: 2,000 expressed with comma.
reno
number/quantity: 20 [twenty].
renono
number/quantity: 200 [two hundred].
soki'o
number/quantity: 9,000 expressed with comma.
sono
number/quantity: 90 [ninety].
sonono
number/quantity: 900 [nine hundred].
sosoce'i
number/quantity: 99% (number).
sozepimu
number/quantity: 97.5.
su'ero
digit/number: any number
voki'o
number/quantity: 4,000 expressed with comma.
vono
number/quantity: 40 [forty].
vonono
number/quantity: 400 [four hundred].
xaki'o
number/quantity: 6,000 expressed with comma.
xano
number/quantity: 60 [sixty].
xanono
number/quantity: 600 [six hundred].
xavoki'o
number/quantity: 64,000 expressed with comma.
xe'enai
digit/number: specific referent; modifies quantifier to indicate that there are particular referents that fulfill the predicate
zeki'o
number/quantity: 7,000 expressed with comma.
zeno
number/quantity: 70 [seventy].
zenono
number/quantity: 700 [seven hundred].
fai'e'au
digit/number: first Feigenbaum constant δ = 4.669 201 609 102 990 671 853 203 821 578(...).
fai'u
digit/number: phi, the "golden ratio" (approx. = 1.6180...); the ratio a/b such that it equals (a+b)/a
fai'u'a
digit/number: the fine-structure constant \alpha \approx 7.2973525698(\dots)×10(-3) \approx 1/137.035999074.
fu'a'ai
digit/number: first Foias' constant; the unique value of x1 such that xn -> ∞ as n -> ∞ for xn+1 = (1 + (1/( xn )))^n; such x1 = 1.187…
fu'a'au
digit/number: second Foias constant; the value x for which (1/x)(1 + (1/x))x=1 is true; ≈ 2.293…
ga'au
digit/number: Euler–Mascheroni constant, usually denoted by lowercase gamma (γ); approximately 0.5772156649 (in decimal).
gau'i'o
digit/number: Gauss' arithmetic-geometric mean of 1 and √(2)=sqrt(2) constant G ≈ .8346268…
go'o'i'a
digit/number: Goloumb-Dickman constant ≈ .6243…
ja'au
subjective number which is decreasing over time
ka'ei'a
digit/number: Conway's look-and-say constant λ ≈ 1.303577269…
kai'o
quaternion i
ka'o'ai
imaginary i (non-comma)
ka'o'ei
imaginary i, comma - spherical coordinates: first coordinate gives magnitude (complex modulus/radius) of the number, the second number gives the angle from the positive real axis measured counterclockwise toward the 'positive' imaginary axis (default: in the primary branch/Arg) as measured in some units (which that number should contain; the contextless default will suppose radians); the angle is not normalized.
kau'o
generic algebra unit en
kei'o
quaternion j
koi'o
quaternion k
ku'i'a
PA: blank/empty digit
mai'e'e
digit/number: Meissel-Mertens constant M ≈ 0.2614972128476427837554268386086958590516…
mei'a
digit/number: arbitrarily small/lesser/diminished/few (finite and nonzero but otherwise as small as desired).
mu'i'ai
digit/number: Hafner-Sarnak-McCurley coprime determinants limiting probability constant; h ≈ 0.3532363719…
na'a'u
not a number
ni'e'ei
digit/number: Niven's greatest-exponent prime factorization constant lim(n->∞) (avg
ni'e'oi
digit/number: Niven's smallest-exponent prime factorization constant c = zeta(3/2)/zeta(3) ≈ 2.1732543125195541382370898404…
no'ai
digit/number: absolute zero; nothing; there does not exist; ∄
no'e'u
digit/number: liminal zero; neither positive nor negative
pa'au'o
digit/number: universal parabolic constant P = √(2) + Loge(1 + √(2)) ≈ 2.295587
pei'i'a
digit/number: Apéry's constant ζ(3) = 1.202056903159594285399738161511449990764986292…
pu'e'u'o
digit/number: the Prouhet-Thue-Morse constant τ = 0.412454033640… (in decimal)
ro'oi
universal plural quantifier. “All.”
sei'a
converts singular quantifier into plural quantifier
se'i'i
digit/number: Sierpiński constant K = π(2 Loge(2) + 3Log
sei'u'e
digit/number: ideal first Skewe's constant Sk1 ; the first (minimal positive) infimum for which all greater x in some neighborhood have the property that it is false that the prime counting function at x is less than the logarithmic integral function at x
si'ei
numeric suffix: indicates that the number refers to portionality instead of cardinality
su'ai
digit/number: precise to within the stated sigfigs (significant figures/digits); approximately, measured to be approximately, with some error/rounding
su'au
digit/number: exact, exactly equal to, no more and no less, mathematically ideally (no measuring or rounding error)
su'oi
existential plural quantifier. “There is/are.”
tau'u
digit/number: tau (approximately 6.2831...). The constant defined by the ratio of the circumference to the radius of all circles.
va'ei'a
digit/number: Dom Hans van der Laan's plastic number ρ = 1.324717957244746025960908854…
vau'au'o
omega constant, Lambert product-log W(1)
vi'ei'e
digit/number: Lévy-Khinchin constant γ = e^(π^2)/(12Loge(2)) ≈ 3.2758…
vo'ei'a
digit/number: Lambert W(1) constant Ω ≈ 0.5671432904097838729999686622…
xe'e
digit/number: any/non-specific referent; modifies quantifier to indicate that it is not important what the specific members of the referential set are
xei
digit/number: hex digit E (decimal 14) [fourteen]
xi'i'ei
digit/number: Khinchin's constant K0 = 2.6854520010…
xo'e
elliptical/unspecified number.
zau'u
digit/number: arbitrarily large/great/increased/many (finite but as big as desired/allowed).
ze'au
subjective number which is increasing over time

In definition:

ba'oi
Converts PA into tense; in [number (usually nonspecific)] possible futures where [sumti (du'u)] is true
cei'a
x1 is the year / era of years indicated by PA (digit string) in calendar system x2
moi'o
x1 is the PA-th date/time of unit x2 (si'o) counting from x3 (default: now) by calendar x4
mu'ei
Converts PA into tense; in [number (usually nonspecific)] possible worlds/alternate histories where [sumti (du'u)] is true
noi'a'u
PA nonrestrictive/incidental relative clause; attaches to a PA number/numeral/digit with the ke'a referring to that PA number/numeral/digit.
poi'a'u
PA restrictive relative clause; attaches to a PA number/numeral/digit with the ke'a referring to that PA number/numeral/digit.
xo'e'o'ei
At-most-unary mekso operator: like {xo'ei} but for selma'o XOhEhOhE, rather than just PA
bangurupu
x1 is the language with ISO 639-3 code “urp” (Uru-Pa-In).
banpudu'i
x1 is the language with ISO 639-3 code “pdi” (Pa Di).
banpuxe'a
x1 is the language with ISO 639-3 code “pha” (Pa-Hng).
bantujesu
x1 is the language with ISO 639-3 code “tys” (Tày Sa Pa).
cmavrpa
x1 is the selma'o "PA".
jinmrproktini
x1 is a quantity of/contains/is made of protactinium [Pa]

In notes:

detke'u
The date [day,week,month,year] x1=d1=k1 is recurrence/repetition of the date [day,week,month,year] of the first event x2=d2, for the x3=k3'rd time, in system x3.
lerpavmoivla
l1 (quoted letteral) is the first letter of the word v1.
mucyveldekpu
d4 is d2 (default 1) dessertspoon(s)/dessertspoonful(s)/cochleare medium (dstspn./cochl. med.) [volume-unit], standard d3=m1 (default 1 dessertspoon=10 mL),d1 tablespoon(s),d5 teaspoon(s), d6 one ml measuring spoon(s).
mucyxeldekpu
d5 is d2 (default 1) teaspoon(s)/teaspoonful(s)/cochleare minus (t., ts., tsp. or tspn./cochl. min.)[volume-unit], standard d3=m1 (default 1 teaspoon=5 mL),d4 dessertspoon(s),d1 tablespoon(s), d6 one ml measuring spoon(s).
na'uvla
x1 is the word with stands for the number x2 in language x3
pavbudjo
b1 is the first Buddha, Siddhartha Gautama.
pavmoidei
x1 is x2=d2 (default: 1) first days of a set of days (week, month, year) x3=m2 ordered by rule x4=m3 and being a day by standard x5=d3
pavmoija'a
j1 has the rank of Lieutenant/1st Lieutenant (equivalent of NATO OF-1) in military unit /organization j2.
pavmudblo
x1 is a dugout for carrying x2
pavnonmoija'a
j1 has the rank of Field Marshall/General of the Army//Fleet Admiral/Marshall of the Air Force (equivalent of NATO OF-10) in military unit j2.
pavroi
x1 happens once in interval x2.
porna'ofrinu
f1=c1 [value] is a/the median/quartile/decile/percentile/fraction-type of median with numerator f2, denominator f3 in property/amount c2 (ka/ni) among p1 (s) (ordered set) by standard c4.
rilsletei
x1 is tempo of rhythmic movement x2 with the unit x3; x1 is a time interval and corresponds to the unit x3 of a form of rhythm of x2.
tabypavykijno
x1 is a quantity of carbon monoxide (CO)
temjudri
x1 is a point on time axis, of event/state x2, in system x3.
forse
x1 has physical force in x2 (property of x1)
nulpa
x1 is 1 [1×100] of x2 in dimension/aspect x3 (default is units).
xonba
x1 is exactly/approximately (1/x2)-th-portion [li] of x3 by standard x4.
bai'ei
unary mathematical operator: successor/augment/increment (by one), succ(a) = a++ = a+1
ce'ei'oi
BIhI argument modifier: indicates dimensionality/length of tuple
de'ei
on (n)-th day from a given point (by default from today)
fei'u
Prefix division by following unit selbri
fo'ai
Creates a predicate abstraction sumti out of a full bridi clause, binding all the necessary lambda variables to the fo'a-fo'u pronoun series.
ja'oi
permutation cycle writer notation start
ju'ai
Default number radix modifier: changes the value of the default radix assumed for any numeral lacking an explicit radix within the following text, until another {ju'ai} appears.
kau'ai
Microdigit-spanning endianness binary-toggle.
kau'au
Macrodigit-spanning endianness binary-toggle.
ke'u'i
accepts number (n) after: repeat last sumti up to n times
ko'ai
Creates a predicate abstraction sumti out of a full bridi clause, binding all the necessary lambda variables to the ko'a-ko'u pronoun series.
li'ei
arbitrary character string or irregular number
mai'o
turns number into pro-sumti: the abstraction described by the utterance denoted by that number and {mai}
noi'au
number/interpreted mathematical object non-restrictive clause
pau'oi
unary mathematical operator: predecessor/diminish/decrement (by one), \operatornamepred(a) = a-- = a-1
pi'au'e
mekso ternary operator: extract digit from number; X2nd macrodigit/term of number/tuple X1 when X1 is expressed in base/basis X3.
poi'au
number/interpreted mathematical object restrictive clause
se'u'o
selbri conversion question
su'ei
shows that the first two places have a reciprocal relation
te'i
at a point on time axis
xau'e
symbol string to number/variable
xau'o
text to number/variable
xau'o'o
mekso convention cancellation
xi'e
scalar subscript
xo'ei
unary mekso operator: produces a string of n consecutive "xo'e"'s, treated as digits (concatenated into a single string of digits)
xo'e'o'e
elliptical/unspecified/vague single-symbol (general)
endi
x1 (digit string/byte, storage system, convention) has endianness x2 ("ce'o" sequence of numbers (li); description (ka?)); x1 is x2-endian.
funtiio
x1 (plural of ordered pairs) is an exhaustive set (possibly infinite) of inputs/outputs defining a unary function which yields result x3 when given input x2; x1(x2) = x3
graumrei
x1 is x2 (li; default: 1) dimensionless units on scale/by standard x3.
jednpa
x1 (event/state) is on Monday or the first day of a week x2 in system x3.
lerfusu
x1 is a part of Lojban text representing rule 'lerfu-string' according to the first edition of the book 'The Complete Lojban Language'.
masnpa
x1 (event/state) is in the first month/January of a year x2 in system x3.
namsusu
x1 is a part of Lojban text representing rule 'number' according to the first edition of the book 'The Complete Lojban Language'.
palkane
x1 is a quantity of methane
pavjima
x1 is a unicorn of type/mythology x2
xekcedi
x1 (situation or entity) is like XKCD comic number x2 in manner x3 (ka); XKCD # x2 is relevant / appropriate commentary on x1
palkan
methane (CH4)
ka'o zei namcu
x1 is a complex number (understood as such).