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Cardinal | twenty-nine | |||
Ordinal | 29th (twenty-ninth) |
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Factorization | prime | |||
Divisors | 1, 29 | |||
Roman numeral | XXIX | |||
Binary | 111012 | |||
Ternary | 10023 | |||
Quaternary | 1314 | |||
Quinary | 1045 | |||
Senary | 456 | |||
Octal | 358 | |||
Duodecimal | 2512 | |||
Hexadecimal | 1D16 | |||
Vigesimal | 1920 | |||
Base 36 | T36 |
29 (twenty-nine) is the natural number following 28 and preceding 30.
It is the tenth prime number, and also the fourth primorial prime. It forms a twin prime pair with thirty-one, which is also a primorial prime. Twenty-nine is also the sixth Sophie Germain prime. It is also the sum of three consecutive squares, 22 + 32 + 42. It is a Lucas prime, a Pell prime, and a tetranacci number. It is an Eisenstein prime with no imaginary part and real part of the form 3n − 1. 29 is also the 10th supersingular prime.
None of the first 29 natural numbers have more than two different prime factors. This is the longest such consecutive sequence.
29 is a Markov number, appearing in the solutions to x2 + y2 + z2 = 3xyz: {2, 5, 29}, {2, 29, 169}, {5, 29, 433}, {29, 169, 14701}, etc.
29 is a Perrin number, preceded in the sequence by 12, 17, 22.
29 is the smallest positive whole number that cannot be made from the numbers {1, 2, 3, 4}, using each exactly once and using only addition, subtraction, multiplication, and division.
29 palms survay
in somewhere named by pelkestan ...29 is more usefull word in that galaxy . for example can u 29 on me when im in the 29 and then 29 on the 29