Back 261 (عدد) Arabic 261 (ədəd) Azerbaijani 261 CDO ٢٦١ (ژمارە) CKB 261 (číslo) Czech 261 (nùmer) EML Berrehun eta hirurogeita bat Basque ۲۶۱ (عدد) Persian 261 (nombre) French 261 (uimhir) Irish
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| Cardinal | two hundred sixty-one | |||
| Ordinal | 261st (two hundred sixty-first) | |||
| Factorization | 32 × 29 | |||
| Divisors | 1, 3, 9, 29, 87, 261 | |||
| Greek numeral | ΣΞΑ´ | |||
| Roman numeral | CCLXI | |||
| Binary | 1000001012 | |||
| Ternary | 1002003 | |||
| Senary | 11136 | |||
| Octal | 4058 | |||
| Duodecimal | 19912 | |||
| Hexadecimal | 10516 | |||
261 (two hundred [and] sixty-one) is the natural number following 260 and preceding 262. It has the prime factorization 32·29.