Properties of the Number 85109

Eighty-Five Thousand One Hundred Nine

Basics

Value: 85108 → 85109 → 85110

Parity: odd

Prime: Yes

Previous Prime: 85103

Next Prime: 85121

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 85109

Divisors: 1, 85109

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100110001110101

Octal: 246165

Duodecimal: 41305

Hexadecimal: 14c75

Square: 7243541881

Square Root: 291.7344683097971

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

T(n,k) = 1/k! * ∑_i=0..k (-1)^k-i *C(k,i) * A258309(n,i); triangle T(n,k), n>=0, 0<=k<=floor(n/2), read by rows. A258310

Number of equivalence classes of length n squarefree reduced words over {0, 1, 2, 3} under action of renaming symbols. A343484

Palindromes with more than 3 digits in which the absolute difference of a pair of successive digits is identical. A85109