Properties of the Number 68718

Sixty-Eight Thousand Seven Hundred Eighteen

Basics

Value: 68717 → 68718 → 68719

Parity: even

Prime: No

Previous Prime: 68713

Next Prime: 68729

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 13 × 881

Divisors: 1, 2, 3, 6, 13, 26, 39, 78, 881, 1762

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110001101110

Octal: 206156

Duodecimal: 33926

Hexadecimal: 10c6e

Square: 4722163524

Square Root: 262.1411833344772

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 n such that 3·10ⁿ + 8·R_n + 1 is prime, where R_n = 11...1 is the repunit (A002275) of length n. A102980

Boustrophedon transform of A068717 with A068717(1) = -1 instead of 0. A68718

Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero. A305589