Properties of the Number 56689

Fifty-Six Thousand Six Hundred Eighty-Nine

Basics

Value: 56688 → 56689 → 56690

Parity: odd

Prime: No

Previous Prime: 56687

Next Prime: 56701

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 83 × 683

Divisors: 1, 83, 683, 56689

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101110101110001

Octal: 156561

Duodecimal: 28981

Hexadecimal: dd71

Square: 3213642721

Square Root: 238.0945190465333

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

Composite and every divisor (except 1) contains the digit 8. A62678

Expansion of 1/(1 + 3·x - 4·x² + x³). A122600

Number of compositions of n with exactly one descent. A241626

Number of 3Xn 0..1 arrays with every element equal to 0, 1 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero. A301965

Numbers k such that 70·R_k + 3, where R_k = 11...1 is the repunit (A002275) of length k. A56689