Properties of the Number 61556

Sixty-One Thousand Five Hundred Fifty-Six

Basics

Value: 61555 → 61556 → 61557

Parity: even

Prime: No

Previous Prime: 61553

Next Prime: 61559

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 11 × 1399

Divisors: 1, 2, 4, 11, 22, 44, 1399, 2798, 5596, 15389

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000001110100

Octal: 170164

Duodecimal: 2B758

Hexadecimal: f074

Square: 3789141136

Square Root: 248.10481655945335

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

Absolute discriminants of imaginary quadratic number fields with elementary bicyclic 5-class group (5,5). A359871

a(n) is the least k > 0 such that σ(k!) >= n·k!. A61556