Properties of the Number 57243

Fifty-Seven Thousand Two Hundred Forty-Three

Basics

Value: 57242 → 57243 → 57244

Parity: odd

Prime: No

Previous Prime: 57241

Next Prime: 57251

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 19081

Divisors: 1, 3, 19081, 57243

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111110011011

Octal: 157633

Duodecimal: 29163

Hexadecimal: df9b

Square: 3276761049

Square Root: 239.25509398965784

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

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with each row nonprime and column prime, read as a binary number with top and left being the most significant bits. A261942

Number of partitions p = [x(1), ..., x(k)], where x(1) >= x(2) >= ... >= x(k), of n such that max(x(i) - x(i-1)) <= number of distinct parts of p. A241819

Numbers k such that k*(k+3) gives the concatenation of two numbers m and m+9. A116349

Number of (n+1)X(3+1) 0..1 arrays with each row nonprime and column prime, read as a binary number with top and left being the most significant bits. A261938

Number of (6+1) X (n+1) 0..1 arrays with each row nonprime and column prime, read as a binary number with top and left being the most significant bits. A261948

Numbers k that divide 8^k + 7^k + 6^k + 5^k. A57243