Properties of the Number 57242

Fifty-Seven Thousand Two Hundred Forty-Two

Basics

Value: 57241 → 57242 → 57243

Parity: even

Prime: No

Previous Prime: 57241

Next Prime: 57251

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 28621

Divisors: 1, 2, 28621, 57242

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101111110011010

Octal: 157632

Duodecimal: 29162

Hexadecimal: df9a

Square: 3276646564

Square Root: 239.25300416086733

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

Numbers n such that the decimal expansions of both n and n² have 2 as smallest digit and 7 as largest digit. A257123

Numbers k such that k * (k+5) gives the concatenation of two numbers m and m+5. A116324

Expansion of ∏_k>=0 1 / (1 - x^{3^k})³. A374627

Numbers n such that n | 9ⁿ + 8ⁿ + 7ⁿ + 6ⁿ. A57242