Properties of the Number 87672

Eighty-Seven Thousand Six Hundred Seventy-Two

Basics

Value: 87671 → 87672 → 87673

Parity: even

Prime: No

Previous Prime: 87671

Next Prime: 87679

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 13 × 281

Divisors: 1, 2, 3, 4, 6, 8, 12, 13, 24, 26

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10101011001111000

Octal: 253170

Duodecimal: 428A0

Hexadecimal: 15678

Square: 7686379584

Square Root: 296.09457948432623

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 undirected walks of length n+1 on tetrahedron, visiting n+2 vertices, with n "corners", as in A001998, but allowing only rigid motions in 3-space (|G| = 12). Walks are not self-avoiding. A51436

Number of closed meanders with 2n crossings and 5 digons. A300901

Triangle read by rows: T(n,k) is the number of permutations of [n] with k runs of length 1. For example, 457/3/26/1 has two runs of length 1: 3 and 1. A97898

n = k² - (reversal of k)² for two different values of k. A87672