XIV
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|---|---|---|---|---|
| Cardinal | fourteen | |||
| Ordinal | 14th (fourteenth) |
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| Numeral system | tetradecimal | |||
| Factorization | 2 × 7 | |||
| Divisors | 1, 2, 7, 14 | |||
| Greek numeral | ΙΔ´ | |||
| Roman numeral | XIV | |||
| Greek prefix | tetrakaideca- | |||
| Latin prefix | quattuordec- | |||
| Binary | 11102 | |||
| Ternary | 1123 | |||
| Quaternary | 324 | |||
| Quinary | 245 | |||
| Senary | 226 | |||
| Octal | 168 | |||
| Duodecimal | 1212 | |||
| Hexadecimal | E16 | |||
| Vigesimal | E20 | |||
| Base 36 | E36 | |||
14 (fourteen /fɔərˈtiːn/) is the natural number following 13 and preceding 15.
In speech, the numbers 14 and 40 are often confused. When carefully enunciated, they differ in which syllable is stressed: 14 /fɔərˈtiːn/ (
listen) vs 40 /ˈfɔːrti/. In relation to the word "four" (4), 14 is spelled "fourteen".
Fourteen is a composite number.
In hexadecimal, fourteen is represented as E.
Fourteen is the lowest even n for which the equation φ(x) = n has no solution, making it the first even nontotient (see Euler's totient function).
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