168

After one sixty-seven

One hundred sixty-eight, the number between 167 and 169.

In informal contexts, 168 sometimes appears as a lucky number in Chinese culture, where its pronunciation sounds like "road to prosperity." The number also represents the hours in a week, occasionally referenced in productivity discussions: There are only 168 hours in a week—how will you spend them?

mathematics

integer

Number lacking fractions

divisible · digit · numeral · arithmetic · prime factorization · natural number · whole number · positive integer · three-digit · place value

even

divisible

Able to be separated

split · pair · bilateral · symmetric · twofold · dual · divisibility

counting

tally

Recorded count

calculation · numeration · quantifying · summing · totaling · numbering · census · headcount · inventory · roll call

sequential

series

Ordered set of related items

succession · chronological · order · continuum · numbering · enumeration

ordinal

168th

Position one-sixty-eight

listing

Opposites
primality

168prime number

Integer with two divisors

prime · 173 · 2 · 7 · 3

parity

168169

Thirteen multiplied by itself

odd number · odd · 1 · 165 · 3

magnitude

1680

Numeral for nothing

infinity · zero

Familiarity
Top 1,000,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G