Properties of the Number 85679

Eighty-Five Thousand Six Hundred Seventy-Nine

Basics

Value: 85678 → 85679 → 85680

Parity: odd

Prime: No

Previous Prime: 85669

Next Prime: 85691

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 11 × 7789

Divisors: 1, 11, 7789, 85679

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100111010101111

Octal: 247257

Duodecimal: 416BB

Hexadecimal: 14eaf

Square: 7340891041

Square Root: 292.70975385183186

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 integer partitions of n whose negated run-lengths are not unimodal. A332639

a(n) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = 2^p+1 + 2 - n and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = a(2) = a(3) = 1. A49885

Numbers n where either n or n+1 is divisible by the numbers from 1 to 12. A131662

Numbers m such that m mod k is k-1 for all k = 2..9. A166931

a(n) is the first number k with A340967(k) = n. A340969

Decimal expansion of arctan(10⁵⁰). A85679