generalized continuum hypothesis
second
transfinite number
zero
Hartogs number
Lindemann-Weierstrass theorem
transfinite induction
third
successor
epsilon number
regnal number
Löwenheim-Skolem theorem
Eisenstein prime
ternary
three
trine
terzetto
trey
trinity
troika
leash
threesome
tercet
ternion
triad
3
trio
triplet
III
deuce-ace
tierce
eighter from Decatur
centillionth
8
eight
ogdoad
octad
octonary
eighter
Nina from Carolina
9
VIII
niner
octet
aleph-null
ennead
nine
IX
10
X
tenner
decade
the
ten
do one
uncountable
bajillionth
oneth
incommensurable
godzillionth
Cauchy sequence
Grandi's series
great gross
1728
forty
limit ordinal
kajillionth
40
XL
dozen
Lagrange's interpolation formula
twelve
Euler-Mascheroni constant
eleven
XII
fifteen
el
12
antipalindromic
XV
11
XI
15
jillionth
right eigenvalue
Maclaurin series
kazillionth
squillionth
multiformula
II
2
variable
7
fewnomial
two
VII
deuce
inaccessible
algebraic integer