Properties of the Number 69631

Sixty-Nine Thousand Six Hundred Thirty-One

Basics

Value: 69630 → 69631 → 69632

Parity: odd

Prime: No

Previous Prime: 69623

Next Prime: 69653

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 179 × 389

Divisors: 1, 179, 389, 69631

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000111111111111

Octal: 207777

Duodecimal: 34367

Hexadecimal: 10fff

Square: 4848476161

Square Root: 263.8768652231567

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

Semi-sums (average) of any two distinct Mersenne primes (A000668). A171253

a(n) = 17·2ⁿ - 1. A198275

a(n) = T(2, n), where T is the array given by A047858. A47859

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 173", based on the 5-celled von Neumann neighborhood. A286199

a(n) = 68·n² - 1. A158730

Smallest initial value for unimodal Collatz (3x+1)/2 glide sequence that begins with exactly n increases. A381707

Semi-sums (average) of two (not necessarily distinct) Mersenne primes (A000668). A169628

Smallest Boolean functions from big equivalence classes representing monotone functions (subsequence of A227723). A349743

Arithmetic mean of successive Mersenne primes. A98041

Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row and column sum nonprime and every diagonal and antidiagonal sum prime. A251843