Properties of the Number 89911

Eighty-Nine Thousand Nine Hundred Eleven

Basics

Value: 89910 → 89911 → 89912

Parity: odd

Prime: No

Previous Prime: 89909

Next Prime: 89917

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 47 × 1913

Divisors: 1, 47, 1913, 89911

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111100110111

Octal: 257467

Duodecimal: 44047

Hexadecimal: 15f37

Square: 8083987921

Square Root: 299.8516299772272

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)=Number of 0..2 arrays of length n+2·k-1 with sum no more than 2·k in any length 2k subsequence (=50% duty cycle). A212232

Numbers k such that binomial(5k, k) + 1 is prime. A125243

A Jacobi transform of 10ⁿ. A110252

Number of 0..2 arrays of length n+9 with sum no more than 10 in any length 10 subsequence (=50% duty cycle). A212229

Number of 0..2 arrays of length 1+2·n with sum no more than 2·n in any length 2n subsequence (=50% duty cycle). A212234

a(n) = a(n-1) + a(n - 1 minus the number of terms of a(k) == (mod 5) so far). A60732

a(n) = Fibonacci(n) mod 12. A89911