Properties of the Number 85831

Eighty-Five Thousand Eight Hundred Thirty-One

Basics

Value: 85830 → 85831 → 85832

Parity: odd

Prime: Yes

Previous Prime: 85829

Next Prime: 85837

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 85831

Divisors: 1, 85831

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100111101000111

Octal: 247507

Duodecimal: 41807

Hexadecimal: 14f47

Square: 7366960561

Square Root: 292.96928166618426

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

Triangle of number of permutations by barycenter. A62866

Primes p such that the differences between the 5 consecutive primes starting with p are (6,6,4,6). A78967

Number of permutations of 1..n with the number moved left exceeding the number moved right by 1. A179562

Number of permutations of 1..n+8 with the number moved left exceeding the number moved right by n. A179575

T(n,k)=Number of length n arrays of permutations of 0..n-1 with each element moved by -k to k places and exactly one more element moved upwards than downwards. A263764

a(n) = ∑_k=1..2ⁿ d(k) where d(n) = number of divisors of n (A000005). A85831