Properties of the Number 31964

Thirty-One Thousand Nine Hundred Sixty-Four

Basics

Value: 31963 → 31964 → 31965

Parity: even

Prime: No

Previous Prime: 31963

Next Prime: 31973

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 61 × 131

Divisors: 1, 2, 4, 61, 122, 131, 244, 262, 524, 7991

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111110011011100

Octal: 76334

Duodecimal: 165B8

Hexadecimal: 7cdc

Square: 1021697296

Square Root: 178.78478682483026

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

a(n) = floor( n*(n-1)*(n-2)*(n-3)/27 ). A11937

Numbers n such that 8·10ⁿ + 9 is prime. A103070

Smallest primitive root modulo n, or 0 if no root exists. A46145

Number of ways to reciprocally link elements of an nX5 array either to themselves or to exactly two horizontal, diagonal or antidiagonal neighbors. A220722

Numbers with exactly four distinct base-5 digits. A31964