Properties of the Number 69331

Sixty-Nine Thousand Three Hundred Thirty-One

Basics

Value: 69330 → 69331 → 69332

Parity: odd

Prime: No

Previous Prime: 69317

Next Prime: 69337

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 19 × 41 × 89

Divisors: 1, 19, 41, 89, 779, 1691, 3649, 69331

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000111011010011

Octal: 207323

Duodecimal: 34157

Hexadecimal: 10ed3

Square: 4806787561

Square Root: 263.30780466974386

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) = ∑_i=0..n digsum₈(i)⁴, where digsum₈(i) = A053829(i). A231683

a(n) = (n-1)*(n+2)*(2·n+11)/2. A130862

Number of strings of numbers x(i=1..n) in 0..6 with sum i·x(i) equal to n·6. A184700

Number of strings of numbers x(i=1..10) in 0..n with ∑_i=1..10 i·x(i) = n·10. A184710

The 2k-th moments of the random graph G(n, 1/n) (odd moments are zero). The number of walks of length 2k on _all_ bushes (rooted plane trees) that start and end at the root and visit new vertices from left-to-right (but may return). A94149

Number of 9 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner. A69331

T(n,k) is the number of strings of numbers x(i=1..n) in 0..k with sum i·x(i) equal to k·n. A184703