Properties of the Number 31959

Thirty-One Thousand Nine Hundred Fifty-Nine

Basics

Value: 31958 → 31959 → 31960

Parity: odd

Prime: No

Previous Prime: 31957

Next Prime: 31963

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 53 × 67

Divisors: 1, 3, 9, 53, 67, 159, 201, 477, 603, 3551

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111110011010111

Octal: 76327

Duodecimal: 165B3

Hexadecimal: 7cd7

Square: 1021377681

Square Root: 178.77080298527497

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

T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1. A293100

Numbers m such that A186711(m) = 1. A186771

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 217", based on the 5-celled von Neumann neighborhood. A279942

a(n) = 38·n² + 1. A158593

Number of 2 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1. A293101

Abs(square of n-th prime minus cube of n-1). A151911

Numbers with exactly three distinct base-7 digits. A31959

Continued fraction expansion of a constant r such that the odd-indexed bisection equals the continued fraction of 2·r, with an even-indexed bisection of all 2's. A322728