Properties of the Number 68680

Sixty-Eight Thousand Six Hundred Eighty

Basics

Value: 68679 → 68680 → 68681

Parity: even

Prime: No

Previous Prime: 68669

Next Prime: 68683

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 5 × 17 × 101

Divisors: 1, 2, 4, 5, 8, 10, 17, 20, 34, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110001001000

Octal: 206110

Duodecimal: 338B4

Hexadecimal: 10c48

Square: 4716942400

Square Root: 262.0686932847951

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 series reversion of x * (1 - 9·x) / (1 - x). A131927

Main diagonal of square arrays A114881 and A249741. A249743

Primes formed by the concatenation n, n+2, n. A68680