15
Appearance
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|---|---|---|---|---|
Expression error: Unrecognized punctuation character "{". Expression error: Unrecognized punctuation character "{". | ||||
| Cardinal | fifteen | |||
| Ordinal | 15
th (fifteenth) | |||
| Factorization | 3 × 5 | |||
| Greek numeral | Lua error in Module:Greek at line 157: attempt to compare number with nil. | |||
| Roman numeral | XV | |||
| Binary | 11112 | |||
| Ternary | 1203 | |||
| Octal | 178 | |||
| Duodecimal | 1312 | |||
| Hexadecimal | F16 | |||
15 is the number following 14 and preceding 16.[1]
Number written in bases
- Base 2 (Binary): 11112
- Base 3: 1203
- Base 4: 334
- Base 5: 305
- Base 6: 236
- Base 7: 217
- Base 8: 178
- Base 9: 169
- Base 11: 1411
- Base 12: 1312
- Base 16: F16
- Base 20: F20
- Base 36: F36
- Base 60: F60
- Base 62: F62
- Base 64: F64
Property
- It is an odd number[2].
- The {{{1}}}th element has not been discovered.
See also
References
- ^ https://www.wolframalpha.com/input/?i=15
- ^ "A005408 - OEIS". oeis.org. Retrieved 1 February 2026.
{{cite web}}: CS1 maint: url-status (link)
External links