Properties of the Number 55688

Fifty-Five Thousand Six Hundred Eighty-Eight

Basics

Value: 55687 → 55688 → 55689

Parity: even

Prime: No

Previous Prime: 55681

Next Prime: 55691

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 6961

Divisors: 1, 2, 4, 8, 6961, 13922, 27844, 55688

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101100110001000

Octal: 154610

Duodecimal: 28288

Hexadecimal: d988

Square: 3101153344

Square Root: 235.98305023878305

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

a(n) is the smallest integer m, such that for every sufficiently large integer k, A165370(729·k+n) can be written as m followed by zero or more 9's. A346789

Decimal part of a(n)^1/3 starts with a 'nine digits' anagram. A34278

Number of (n+2) X (3+2) 0..3 arrays with every 3 X 3 subblock row and column sum equal to 0 2 3 6 or 7 and every 3 X 3 diagonal and antidiagonal sum not equal to 0 2 3 6 or 7. A252109

Sum of digits in n-th term of A006711. A22480

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 0), (1, 0, -1), (1, 1, 0)}. A148568

Numbers k such that 5^k == -1 (mod k-1). A55688

Number of nX5 0..1 arrays avoiding 0 1 0 horizontally and 1 0 0 vertically. A206886

Number of length n+2 0..5 arrays with the medians of every three consecutive terms nondecreasing. A250137