Properties of the Number 55690

Fifty-Five Thousand Six Hundred Ninety

Basics

Value: 55689 → 55690 → 55691

Parity: even

Prime: No

Previous Prime: 55681

Next Prime: 55691

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 5569

Divisors: 1, 2, 5, 10, 5569, 11138, 27845, 55690

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101100110001010

Octal: 154612

Duodecimal: 2828A

Hexadecimal: d98a

Square: 3101376100

Square Root: 235.9872877932199

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 that are the sum of nine fifth powers in three or more ways. A345620

Numbers that are the sum of nine fifth powers in exactly three ways. A346338

A014486-indices of symmetric binary trees. A83940

Number of (n+2) X (3+2) 0..3 arrays with every 3 X 3 subblock row and column sum not 2 3 6 or 7 and every diagonal and antidiagonal sum 2 3 6 or 7. A251889

Number of (n+2) X (3+2) 0..3 arrays with every 3 X 3 subblock row and column sum not equal to 0 2 3 6 or 7 and every 3 X 3 diagonal and antidiagonal sum equal to 0 2 3 6 or 7. A252259

Number of (n+2) X (2+2) 0..1 arrays with no 3·3 subblock diagonal sum 0 and no antidiagonal sum 0 and no row sum 2 and no column sum 2. A255222

Expansion of Molien series for 8-dimensional real Clifford group 2¹⁺⁶.Alt₈.2 of genus 3 and order 5160960. A24186

Numbers k such that 7^k == -1 (mod k-1). A55690