Properties of the Number 68570

Sixty-Eight Thousand Five Hundred Seventy

Basics

Value: 68569 → 68570 → 68571

Parity: even

Prime: No

Previous Prime: 68567

Next Prime: 68581

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 6857

Divisors: 1, 2, 5, 10, 6857, 13714, 34285, 68570

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000101111011010

Octal: 205732

Duodecimal: 33822

Hexadecimal: 10bda

Square: 4701844900

Square Root: 261.8587405453559

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

T(n,k) is the number of (n+1) X (k+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings). A234823

Numbers n such that σ(n)=2n-φ(φ(n)). A110073

Number of (n+1) X (2+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings). A234817

Number of (n+1) X (5+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings). A234820

Numbers divisible by the number of letters to express them in English. A68570