Properties of the Number 69131

Sixty-Nine Thousand One Hundred Thirty-One

Basics

Value: 69130 → 69131 → 69132

Parity: odd

Prime: No

Previous Prime: 69127

Next Prime: 69143

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 73 × 947

Divisors: 1, 73, 947, 69131

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000111000001011

Octal: 207013

Duodecimal: 3400B

Hexadecimal: 10e0b

Square: 4779095161

Square Root: 262.9277467290206

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

Centered 18-gonal numbers. A69131

a(n) = a(n-1) + a(n-3) unless a(n-1) and a(n-3) are both even in which case a(n) = (a(n-1) + a(n-3))/2, with a(0) = a(1) = a(2) = 1. A341312