Properties of the Number 69189

Sixty-Nine Thousand One Hundred Eighty-Nine

Basics

Value: 69188 → 69189 → 69190

Parity: odd

Prime: No

Previous Prime: 69163

Next Prime: 69191

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 23063

Divisors: 1, 3, 23063, 69189

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000111001000101

Octal: 207105

Duodecimal: 34059

Hexadecimal: 10e45

Square: 4787117721

Square Root: 263.0380200655411

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

Number of deterministic completely defined acyclic automata with 2 inputs and n+1 transient labeled states including a unique state having all transitions to the absorbing state. A82159

A subclass of quasi-acyclic automata with 2 inputs, n transient and k absorbing labeled states; square array T(n,k) read by descending antidiagonals (n >= 0 and k >= 1). A82171

Unreduced numerators of the elements T(n,k)/(n-k)!, read by rows, of the triangular matrix P^-1, which is the inverse of the matrix defined by P(n,k) = (1-(k+1)²)^n-k/(n-k)! for n >= k >= 1. A103242

Number of permutations of decimal digits of 2ⁿ which yield a prime. A86151

Numbers k such that A007913(k) < sqrt(k). A69189

Number of 3X3X3 triangular 0..n arrays with some element plus some adjacent element totalling n+1, n or n-1 exactly once. A270852