Properties of the Number 69621

Sixty-Nine Thousand Six Hundred Twenty-One

Basics

Value: 69620 → 69621 → 69622

Parity: odd

Prime: No

Previous Prime: 69593

Next Prime: 69623

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 23 × 1009

Divisors: 1, 3, 23, 69, 1009, 3027, 23207, 69621

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000111111110101

Octal: 207765

Duodecimal: 34359

Hexadecimal: 10ff5

Square: 4847083641

Square Root: 263.8579163110328

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

Consecutive internal states of the linear congruential pseudo-random number generator 69621·s mod (2³¹-1) when started at s=1. A384405

Number of (n+1)X4 0..1 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock differing from the number in all its horizontal and vertical neighbors. A205067

Number of length n arrays of permutations of 0..n-1 with each element moved by -3 to 3 places and with no two consecutive increases. A263638

a(1) = 9; a(2n) = smallest prime that is a right concatenation of a(2n-1) and a number with no insignificant zeros and a(2n+1) = smallest prime ending in ( the least significant digits) a(2n). Alternate left and right concatenation yielding primes. A69621