Properties of the Number 68694

Sixty-Eight Thousand Six Hundred Ninety-Four

Basics

Value: 68693 → 68694 → 68695

Parity: even

Prime: No

Previous Prime: 68687

Next Prime: 68699

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 107 ²

Divisors: 1, 2, 3, 6, 107, 214, 321, 642, 11449, 22898

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000110001010110

Octal: 206126

Duodecimal: 33906

Hexadecimal: 10c56

Square: 4718865636

Square Root: 262.09540247780006

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 s(k) = 2·k, where s(k) is the sum of divisors of k that have a square factor (A162296). A322609

Numbers k such that all the following properties hold: (i) k·reverse(k) is a square; (ii) k ≠ reverse(k); (iii) k and reverse(k) are not both squares; and (iv) k and reverse(k) have the same number of digits. A82994

usigma(n) = 2n + d(n), where d(n) is the number of divisors of n. A63829

a(n+1) = floor(a(n) * ∑_k=0..n 1/a(k)^s), where s = ∑_k>=0 1/a(k)^s and a(0)=1; s = 2.260568736857767... A80135

Largest n-digit prime with all odd digits. A68694