Properties of the Number 87289

Eighty-Seven Thousand Two Hundred Eighty-Nine

Basics

Value: 87288 → 87289 → 87290

Parity: odd

Prime: No

Previous Prime: 87281

Next Prime: 87293

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 41 × 2129

Divisors: 1, 41, 2129, 87289

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010011111001

Octal: 252371

Duodecimal: 42621

Hexadecimal: 154f9

Square: 7619369521

Square Root: 295.447118787779

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

Sum of the largest parts of all compositions of n into distinct parts. A336903

T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element 1 greater than its west, northeast or northwest neighbor modulo n and the upper left element equal to 0. A266994

Number of 4Xn arrays containing n copies of 0..4-1 with no element 1 greater than its west, northeast or northwest neighbor modulo 4 and the upper left element equal to 0. A266996

a(n) = 2^2·n+1 + 1. A87289