Properties of the Number 68309

Sixty-Eight Thousand Three Hundred Nine

Basics

Value: 68308 → 68309 → 68310

Parity: odd

Prime: No

Previous Prime: 68281

Next Prime: 68311

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 83 × 823

Divisors: 1, 83, 823, 68309

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10000101011010101

Octal: 205325

Duodecimal: 33645

Hexadecimal: 10ad5

Square: 4666119481

Square Root: 261.35990511170604

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

Composite and every divisor (except 1) contains the digit 8. A62678

Number of integers in n-th generation of tree T(-2/3) defined in Comments. A274150

Number of nX4 0..1 arrays with no 1 adjacent to 4 king-move neighboring 1s. A297098

Number of different lucky numbers occurring when 2n is expressed as p1+q1 = ... = pk+qk where pk,qk are lucky numbers with pk <= qk. A68309