Properties of the Number 68630

Sixty-Eight Thousand Six Hundred Thirty

Basics

Value: 68629 → 68630 → 68631

Parity: even

Prime: No

Previous Prime: 68611

Next Prime: 68633

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 6863

Divisors: 1, 2, 5, 10, 6863, 13726, 34315, 68630

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110000010110

Octal: 206026

Duodecimal: 33872

Hexadecimal: 10c16

Square: 4710076900

Square Root: 261.97328108034225

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 nX4 0..1 arrays with every element unequal to 0, 1, 2 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A318020

a(0)=0; a(n) = n + a(n-1) if gcd(n,a(n-1)) = 1 or a(n-1) = 0; a(n) = a(n-1) - n if n divides a(n-1), otherwise a(n) = a(n-1). A68630