Properties of the Number 57685

Fifty-Seven Thousand Six Hundred Eighty-Five

Basics

Value: 57684 → 57685 → 57686

Parity: odd

Prime: No

Previous Prime: 57679

Next Prime: 57689

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 5 × 83 × 139

Divisors: 1, 5, 83, 139, 415, 695, 11537, 57685

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110000101010101

Octal: 160525

Duodecimal: 29471

Hexadecimal: e155

Square: 3327559225

Square Root: 240.17701805126984

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

a(n) = [xⁿ] ∏_k=1..n (1 - x^k)^n-k+1. A303173

G.f.: ∑_n>=0 xⁿ * ∑_k=0..n C(n,k) * (1/(1-x)^k - 1)^k. A245465

Octagonal numbers with prime indices. A267144

3-almost prime octagonal numbers. A129927

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (0, 0, -1), (1, -1, -1), (1, 1, 1)}. A149583

Number of -n..n circular arrays x(0..5) of 6 elements with zero sums of x(i) and x(i)*x((i+1) mod 6). A202008

Octagonal numbers that are the product of three distinct primes. A382231

Trajectory of 19 under the `19x+1' map. A57685