Back 29 (ахыԥхьаӡара) Abkhazian 29 (عدد) Arabic 29 ARY 29 (ədəd) Azerbaijani ۲۹ (سایی) AZB 29 (angka) BAN 29 (число) Bulgarian ༢༩ (གྲངས་ཀ།) Tibetan Vint-i-nou Catalan 29 CDO
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| Cardinal | twenty-nine | |||
| Ordinal | 29th (twenty-ninth) | |||
| Factorization | prime | |||
| Prime | 10th | |||
| Divisors | 1, 29 | |||
| Greek numeral | ΚΘ´ | |||
| Roman numeral | XXIX | |||
| Binary | 111012 | |||
| Ternary | 10023 | |||
| Senary | 456 | |||
| Octal | 358 | |||
| Duodecimal | 2512 | |||
| Hexadecimal | 1D16 | |||
29 (twenty-nine) is the natural number following 28 and preceding 30. It is a prime number.