Properties of the Number 85969

Eighty-Five Thousand Nine Hundred Sixty-Nine

Basics

Value: 85968 → 85969 → 85970

Parity: odd

Prime: No

Previous Prime: 85933

Next Prime: 85991

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 13 × 17 × 389

Divisors: 1, 13, 17, 221, 389, 5057, 6613, 85969

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100111111010001

Octal: 247721

Duodecimal: 41901

Hexadecimal: 14fd1

Square: 7390668961

Square Root: 293.2047066470796

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) = a(n-1) + a(n-2) + 2 where a(0) = a(1) = 1. A111314

Row sums of A131325. A131326

Sequence a(n) = 3·A002559(n) - 2 determining the principal reduced indefinite binary quadratic form [1, a(n), -a(n)] for Markoff triples. A324250

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 1), (1, 0, 1), (1, 1, -1), (1, 1, 1)}. A150980

Decimal expansion of the prime ζ function at 9. A85969