Properties of the Number 89121

Eighty-Nine Thousand One Hundred Twenty-One

Basics

Value: 89120 → 89121 → 89122

Parity: odd

Prime: No

Previous Prime: 89119

Next Prime: 89123

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 61 × 487

Divisors: 1, 3, 61, 183, 487, 1461, 29707, 89121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101110000100001

Octal: 256041

Duodecimal: 436A9

Hexadecimal: 15c21

Square: 7942552641

Square Root: 298.53140538308526

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

Number of nX7 0..1 arrays with every element equal to 1, 2, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302727

Number of 6Xn 0..1 arrays with every element equal to 1, 2, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302731

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302728

Duplicate of A014442. A89121