Properties of the Number 55639

Fifty-Five Thousand Six Hundred Thirty-Nine

Basics

Value: 55638 → 55639 → 55640

Parity: odd

Prime: Yes

Previous Prime: 55633

Next Prime: 55661

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 55639

Divisors: 1, 55639

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101100101010111

Octal: 154527

Duodecimal: 28247

Hexadecimal: d957

Square: 3095698321

Square Root: 235.87920637478837

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 symmetric ways of folding a strip of n labeled stamps. A560

Primes p such that the left prime neighbors p1, p2 of p as well as the right prime neighbors q1, q2 of p form twin prime pairs and the sum p1 + p2 + p + q1 + q2 is also prime. A138396

Number of nonzero digits of n which are not factors of n. A55639

Number of (n+1)X(6+1) 0..1 arrays with nondecreasing sum of every two consecutive values in every row and column. A250430