Properties of the Number 57125

Fifty-Seven Thousand One Hundred Twenty-Five

Basics

Value: 57124 → 57125 → 57126

Parity: odd

Prime: No

Previous Prime: 57119

Next Prime: 57131

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 ³ × 457

Divisors: 1, 5, 25, 125, 457, 2285, 11425, 57125

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111100100101

Octal: 157445

Duodecimal: 29085

Hexadecimal: df25

Square: 3263265625

Square Root: 239.0083680543424

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 that can be written as the product of two divisors greater than 1 such that the number is contained in the string concatenation of the divisors. A355790

Truncated tetrahedral numbers: a(n) = (1/6)*(n+1)*(23·n² + 19·n + 6). A5906

Numbers k such that the equation x² - k·y⁴ = -1 has a solution for which |y| > 2. A356488

Numbers n such that 3 is a square mod n. A57125

a(n) is the least prime p such that p²+4 is a prime times 5ⁿ. A357435