Properties of the Number 57649

Fifty-Seven Thousand Six Hundred Forty-Nine

Basics

Value: 57648 → 57649 → 57650

Parity: odd

Prime: Yes

Previous Prime: 57641

Next Prime: 57653

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 57649

Divisors: 1, 57649

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1110000100110001

Octal: 160461

Duodecimal: 29441

Hexadecimal: e131

Square: 3323407201

Square Root: 240.10206163213175

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

The smallest A(m) such that the interval (A(m)*n, A(m+1)*n) contains exactly one element of A, where A is the sequence of primes p for which p-2 is not prime. A201828

Expansion of x⁴*(1-3·x²-x³)/((1+x)*(1-2·x)*(1-x-2·x²)). A219755

Number of length-5 0..n arrays with no repeated value differing from the previous repeated value by more than one. A269585

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 68. A31656

T(n,k)=Number of length-n 0..k arrays with no repeated value differing from the previous repeated value by more than one. A269583

Nearest integer to ratio of volume of n-dimensional cube of side 2 to volume of n-dimensional ball of radius 1. A57649