Properties of the Number 68631

Sixty-Eight Thousand Six Hundred Thirty-One

Basics

Value: 68630 → 68631 → 68632

Parity: odd

Prime: No

Previous Prime: 68611

Next Prime: 68633

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 22877

Divisors: 1, 3, 22877, 68631

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110000010111

Octal: 206027

Duodecimal: 33873

Hexadecimal: 10c17

Square: 4710214161

Square Root: 261.97518966497574

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

Numbers k such that sum of the divisors of k equals the sum of the reversals of the divisors of k. Numbers with all palindrome divisors are not in the sequence. A196677

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (0, -1, 1), (1, -1, -1), (1, 1, 0)}. A149120

a(1) = 4; a(n) = smallest composite number different from the previous ones such that the sum of all the terms is a composite number. A68631