Properties of the Number 68591

Sixty-Eight Thousand Five Hundred Ninety-One

Basics

Value: 68590 → 68591 → 68592

Parity: odd

Prime: No

Previous Prime: 68581

Next Prime: 68597

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 113 × 607

Divisors: 1, 113, 607, 68591

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101111101111

Octal: 205757

Duodecimal: 3383B

Hexadecimal: 10bef

Square: 4704725281

Square Root: 261.8988354307823

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 Greek-key tours on a 5 X n board; i.e., self-avoiding walks on 5 X n grid starting in top left corner. A145156

Number of elements less than 1/2 in the Cross Set which is the subset of the set of distinct resistances that can be produced using n unit resistors in series and/or parallel. A176498

Number of Greek-key tours on an 8 X n grid. A374307

Number of length 4 1..(n+2) arrays with no leading partial sum equal to a prime. A254542

Array read by antidiagonals: T(m,n) is the number of Hamiltonian paths in an m X n grid which start in the top left corner. A378938

Nonessential triangular numbers (conjectured). A68591