Properties of the Number 55421

Fifty-Five Thousand Four Hundred Twenty-One

Basics

Value: 55420 → 55421 → 55422

Parity: odd

Prime: No

Previous Prime: 55411

Next Prime: 55439

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 157 × 353

Divisors: 1, 157, 353, 55421

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101100001111101

Octal: 154175

Duodecimal: 280A5

Hexadecimal: d87d

Square: 3071487241

Square Root: 235.41665191740367

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

Crystal ball sequence for diamond. A7904

Second-order Lucas numbers; a(n) = (2n+3)*Lucas(n) - n·Lucas(n-1). A134410

Expansion of (1/(1 - x)) * ∏_k>=1 (1 + k·x^k/(1 - x)^k). A307259

Composite numbers which in base 8 contain their largest proper factor as a substring. A63167

Duplicate of A063167. A63878

Number of points in Nⁿ of norm <= 6. A55421