Properties of the Number 55521

Fifty-Five Thousand Five Hundred Twenty-One

Basics

Value: 55520 → 55521 → 55522

Parity: odd

Prime: No

Previous Prime: 55511

Next Prime: 55529

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 31 × 199

Divisors: 1, 3, 9, 31, 93, 199, 279, 597, 1791, 6169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101100011100001

Octal: 154341

Duodecimal: 28169

Hexadecimal: d8e1

Square: 3082581441

Square Root: 235.6289455903073

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

Expansion of e.g.f. exp( x·exp(-x) ). A3725

E.g.f.: exp(-x·exp(x)). A292952

The sum of the numbers on the perimeter of the n X n diamond frame, located at the top of the numerical pyramid containing the positive integers in natural order. A359096

Restricted left truncatable (Henry VIII) primes. A55521