20
| ||||
|---|---|---|---|---|
Expression error: Unrecognized punctuation character "{". Expression error: Unrecognized punctuation character "{". | ||||
| Cardinal | twenty | |||
| Ordinal | 20
th (twentieth) | |||
| Factorization | 22 × 5 | |||
| Greek numeral | Lua error in Module:Greek at line 157: attempt to compare number with nil. | |||
| Roman numeral | XX | |||
| Binary | 101002 | |||
| Ternary | 2023 | |||
| Octal | 248 | |||
| Duodecimal | 1812 | |||
| Hexadecimal | 1416 | |||
20 is the number following 19 and preceding 21.[1]
Number written in bases
- Base 2 (Binary): 101002
- Base 3: 2023
- Base 4: 1104
- Base 5: 405
- Base 6: 326
- Base 7: 267
- Base 8: 248
- Base 9: 229
- Base 11: 1911
- Base 12: 1812
- Base 16: 1416
- Base 20: 1020
- Base 36: K36
- Base 60: K60
- Base 62: K62
- Base 64: K64
Property
- It is an odd number[2].
- The {{{1}}}th element has not been discovered.
See also
References
- ^ https://www.wolframalpha.com/input/?i=20
- ^ "A005408 - OEIS". oeis.org. Retrieved 27 December 2025.
{{cite web}}: CS1 maint: url-status (link)
External links