Properties of the Number 57644

Fifty-Seven Thousand Six Hundred Forty-Four

Basics

Value: 57643 → 57644 → 57645

Parity: even

Prime: No

Previous Prime: 57641

Next Prime: 57649

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 14411

Divisors: 1, 2, 4, 14411, 28822, 57644

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110000100101100

Octal: 160454

Duodecimal: 29438

Hexadecimal: e12c

Square: 3322830736

Square Root: 240.09164916756268

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 k such that 2^k + 27 is prime. A157007

a(n) = 4·3*2·1 + 8·7*6·5 + 12·11·10·9 + 16·15·14·13 + ... + (up to the n-th term). A319868

Numbers that are the sum of ten fifth powers in three or more ways. A345635

Numbers that are the sum of ten fifth powers in exactly three ways. A346348

Triangle read by rows. Polynomials based on sums of Moebius transforms. A177977

Expansion of e.g.f.: exp(x)/cosh(log(1+x)). A9294

Numbers N such that concatenation of N, N, and·generates a prime for x=1 and x=3 and x=7 and x=9. A210515

Number A(n,k) of walks on square lattice from (n,k) to (0,0) using steps that decrease the Euclidean distance to the origin and increase the Euclidean distance to (n,k) and that change each coordinate by at most 1; square array A(n,k), n>=0, k>=0, read by antidiagonals. A346540

Initial prime in first sequence of n primes congruent to 1 modulo 9. A57644