Properties of the Number 68980

Sixty-Eight Thousand Nine Hundred Eighty

Basics

Value: 68979 → 68980 → 68981

Parity: even

Prime: No

Previous Prime: 68963

Next Prime: 68993

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 3449

Divisors: 1, 2, 4, 5, 10, 20, 3449, 6898, 13796, 17245

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110101110100

Octal: 206564

Duodecimal: 33B04

Hexadecimal: 10d74

Square: 4758240400

Square Root: 262.6404386228442

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 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, 1), (-1, 1, 0), (1, -1, -1), (1, 1, 0)}. A149096

Number of partitions of n into nonzero tetrahedral numbers. A68980