Properties of the Number 56405

Fifty-Six Thousand Four Hundred Five

Basics

Value: 56404 → 56405 → 56406

Parity: odd

Prime: No

Previous Prime: 56401

Next Prime: 56417

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 29 × 389

Divisors: 1, 5, 29, 145, 389, 1945, 11281, 56405

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101110001010101

Octal: 156125

Duodecimal: 28785

Hexadecimal: dc55

Square: 3181524025

Square Root: 237.49736840647307

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 ∏_k>=1 ((1 + x^4·k) / (1 - x^k))^k. A285460

Number of composites removed in each step of the Sieve of Eratosthenes for 10⁷. A227155

Number of primitive (aperiodic) step shifted (decimated) sequence structures using a maximum of six different symbols. A56405