Properties of the Number 91438

Ninety-One Thousand Four Hundred Thirty-Eight

Basics

Value: 91437 → 91438 → 91439

Parity: even

Prime: No

Previous Prime: 91433

Next Prime: 91453

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 131 × 349

Divisors: 1, 2, 131, 262, 349, 698, 45719, 91438

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110010100101110

Octal: 262456

Duodecimal: 44ABA

Hexadecimal: 1652e

Square: 8360907844

Square Root: 302.38716903995777

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

Triangle a(n,k) of partitions of n objects of 2 colors, k of which are black and each part with at least one black object. A91438

Number of 7Xn 0..1 arrays with every element equal to 0, 1, 2 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302628