Properties of the Number 91225

Ninety-One Thousand Two Hundred Twenty-Five

Basics

Value: 91224 → 91225 → 91226

Parity: odd

Prime: No

Previous Prime: 91199

Next Prime: 91229

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 ² × 41 × 89

Divisors: 1, 5, 25, 41, 89, 205, 445, 1025, 2225, 3649

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110010001011001

Octal: 262131

Duodecimal: 44961

Hexadecimal: 16459

Square: 8322000625

Square Root: 302.03476621077914

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

Expansion of e.g.f. exp(x + x³). A118395

Number of degree-n irreducible polynomials over GF(2) with trace = 0 and subtrace = 0. A42980

Number of degree-n irreducible polynomials over GF(2) with trace = 1 and subtrace = 1. A42982

Number of binary Lyndon words of length n with trace 0 and subtrace 0 over Z₂. A74027

Number of binary Lyndon words of length n with trace 1 and subtrace 1 over Z₂. A74030

Number of compositions of n into 5 parts such that no two adjacent parts are equal. A106354

Characteristic function of A014580: 1 if the n-th GF(2)[X] polynomial is irreducible, 0 otherwise. A91225

Number of nX4 0..1 arrays with every element equal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300461