Properties of the Number 85158

Eighty-Five Thousand One Hundred Fifty-Eight

Basics

Value: 85157 → 85158 → 85159

Parity: even

Prime: No

Previous Prime: 85147

Next Prime: 85159

Digit Sum: 27

Digital Root: 9

Palindrome: Yes

Factorization: 2 × 3 ³ × 19 × 83

Divisors: 1, 2, 3, 6, 9, 18, 19, 27, 38, 54

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100110010100110

Octal: 246246

Duodecimal: 41346

Hexadecimal: 14ca6

Square: 7251884964

Square Root: 291.81843670337213

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

Expansion of 1/((1 - x³ - x⁴)² - 4·x⁷). A376724

Numbers n whose sum of divisors equals the sum of divisors of 2n+1. A272553

Palindromes in A082939. A82940

Number of edges in a graph of n adjacent rectangles in a row with all possible diagonals drawn, as in A306302, but without the rectangles' edges which are perpendicular to the row. A369177

Number of graphs on n nodes with 3 cliques. A5289

Sextuple factorials, 6-factorials, n!!!!!!, n!6. A85158

a(1) = 2, a(2) = 1. For n >= 3, a(n) is found by concatenating the cubes of the first n-1 terms of the sequence in reverse order and then dividing the resulting number by a(n-1). A181870