Properties of the Number 91172

Ninety-One Thousand One Hundred Seventy-Two

Basics

Value: 91171 → 91172 → 91173

Parity: even

Prime: No

Previous Prime: 91163

Next Prime: 91183

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 23 × 991

Divisors: 1, 2, 4, 23, 46, 92, 991, 1982, 3964, 22793

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110010000100100

Octal: 262044

Duodecimal: 44918

Hexadecimal: 16424

Square: 8312333584

Square Root: 301.947015219558

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

Number of vertices in graph G_n formed by taking a regular n-gon with all its chords extended to infinity (the n-th graph in A344857) and inverting it in its circumscribing circle. A383461

Number of nonnegative integer arrays of length 2n+5 with new values 0 upwards introduced in order, no three adjacent elements all unequal, and containing the value n+1. A211850

Number of ways of having a total of n coins in your two pockets (each of them either a penny, a nickel, a dime, or a quarter), so that the amounts in the pockets are identical. A323825

Number of primes of the form 30k + 29 less than 10ⁿ. A91172

Terms of A301517 that are not exponentially odd numbers (A268335). A335989

Factors k > 2 such that the polynomial x² + k·x + 1 produces a new minimum of its Hardy-Littlewood constant. A332707