writhe
true lover's knot
inverse
cinquefoil
pseudoeffective
negadecimal
oligosyndactyly
dash
dah
crisscross
natural numbers
principal square root
least common multiple
Galileo's paradox
highly composite number
1000000000000
billion
1000000000
one million million
one thousand million
composite number
characteristic
trillion
Pythagorean quadruple
ectrosyndactyly
borrow
natural number
forcing
Cantor-Bendixson theorem
automatic half-barrier level crossing
crosshatch
tenor
totative
disjoint
quadrillion
Bernoulli polynomial
one-ninth
antipleion
ninth
Euclidean division
totient
nilpotent
remainder
repdigit
cofactor
monoreduced
Prouhet-Tarry-Escott problem
touch
demipopulated
noncototient
polydivisible
harmonic series
subtrahend
negative zero
pentadiagonal
lowest common denominator
duodecimal
subdecimal
quadratic residue
twelfth
twelfth part
NS
one-twelfth
difference
ten percent
Goldbach number
positive zero
googol
tenth part
octillion
one-tenth
sextillion
nude number
crossword puzzle
truncation
negative-sum
coequally
slope
nonconcordant
crossword
even number
odd number
p-adic order
Pythagorean triple
tenth
quintate
subtraction
integer factorization
sequency
thousand
zeroless
Farey sequence