Properties of the Number 29931

Twenty-Nine Thousand Nine Hundred Thirty-One

Basics

Value: 29930 → 29931 → 29932

Parity: odd

Prime: No

Previous Prime: 29927

Next Prime: 29947

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 11 × 907

Divisors: 1, 3, 11, 33, 907, 2721, 9977, 29931

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010011101011

Octal: 72353

Duodecimal: 153A3

Hexadecimal: 74eb

Square: 895864761

Square Root: 173.00578025025638

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

p² + 2 where p is a prime. A61725

Positive integers·such that x³ - 1 = y⁴ + z² for some positive integers y and z. A266215

Numbers n such that 9·10ⁿ + 8·R_n - 1 is prime, where R_n = 11...1 is the repunit (A002275) of length n. A103109

The number of distinct solutions of the maximum size in A072842 (i.e. size = A072842(n)). A297023

a(n) = ∑_{k >= 0} floor(n^2·k / (2·k)!). A309105

Number of partitions of n satisfying cn(2,5) + cn(3,5) <= cn(0,5). A39861

If 2n = Sum 2^e_i, a(n) = Sum e_i. A29931