Properties of the Number 85170

Eighty-Five Thousand One Hundred Seventy

Basics

Value: 85169 → 85170 → 85171

Parity: even

Prime: No

Previous Prime: 85159

Next Prime: 85193

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 17 × 167

Divisors: 1, 2, 3, 5, 6, 10, 15, 17, 30, 34

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10100110010110010

Octal: 246262

Duodecimal: 41356

Hexadecimal: 14cb2

Square: 7253928900

Square Root: 291.83899670880174

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(1) = 0, a(2) = 1, and for n > 2, a(n) = 2·a(A252463(n)) + [n == 1 (mod 4)]. A292385

T(n,k) = number of permutations of {1..n} with fewer than k interior elements having values lying between the values of their neighbors. A226441

Ordered forests of k increasing unordered trees on the vertex set {1,2,...,n} in which all outdegrees are <= 2. A185421

Expansion of (∏_k>0 (1 - x^k) / (1 - x^5·k))⁵ in powers of x. A285932

Number of permutations of {1..n} with fewer than 2 interior elements having values lying between the values of their neighbors. A226435

Records in A240751. A285312

Permutation of natural numbers induced by the Catalan bijection gma085170 acting on symbolless S-expressions encoded by A014486/A063171. A85170