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