Properties of the Number 57241

Fifty-Seven Thousand Two Hundred Forty-One

Basics

Value: 57240 → 57241 → 57242

Parity: odd

Prime: Yes

Previous Prime: 57223

Next Prime: 57251

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 57241

Divisors: 1, 57241

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111110011001

Octal: 157631

Duodecimal: 29161

Hexadecimal: df99

Square: 3276532081

Square Root: 239.25091431382242

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

Primes p such that p*(p-2) divides 2^p-1-1. A81762

Noncomposite numbers in the eastern ray of the Ulam spiral as oriented on the March 1964 cover of Scientific American. A168022

Primes that are a concatenation of 5, 7 and a prime. A101249

Numbers n such that (nⁿ-2)/(n-2) is an integer. A242787

If a,b are prime numbers satisfying the Diophantine equation a³+b³=c², then a is -1 mod 12 and b is 1 mod 12, or vice versa. Choose 'b' to be 1 mod 12. This is the sequence of 'b' values, sorted by the magnitude of c. A99807

k times k+7 gives the concatenation of two numbers m and m-1. A116283

Numbers n such that (n-1)²-1 divides 2^n-1-1. A260406

Values of p in A145767. A145797

Primes of the form p² + (p + 1)/2 where p is also prime. A164580

Primes of the form 5·k² - 4. A201786