Properties of the Number 81132

Eighty-One Thousand One Hundred Thirty-Two

Basics

Value: 81131 → 81132 → 81133

Parity: even

Prime: No

Previous Prime: 81131

Next Prime: 81157

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 6761

Divisors: 1, 2, 3, 4, 6, 12, 6761, 13522, 20283, 27044

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110011101100

Octal: 236354

Duodecimal: 3AB50

Hexadecimal: 13cec

Square: 6582401424

Square Root: 284.83679537587835

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

Subdiagonal partitions: number of partitions (p1, p2, p3, ...) of n with π <= i. A238875

Susceptibility series H₄ for 2-dimensional Ising model (divided by 2). A55856

a(n) = (n+1)ⁿ*binomial(n+2,2). A81132