Properties of the Number 89131

Eighty-Nine Thousand One Hundred Thirty-One

Basics

Value: 89130 → 89131 → 89132

Parity: odd

Prime: No

Previous Prime: 89123

Next Prime: 89137

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 ² × 17 × 107

Divisors: 1, 7, 17, 49, 107, 119, 749, 833, 1819, 5243

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101110000101011

Octal: 256053

Duodecimal: 436B7

Hexadecimal: 15c2b

Square: 7944335161

Square Root: 298.5481535699057

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 all self-avoiding planar walks of length j (0<=j<=n) starting at (0,0), ending at (n-j,0), remaining in the first quadrant and using steps (0,1), (1,0), (1,1), (-1,1), and (1,-1) with the restriction that (0,1) is never used below the diagonal and (1,0) is never used above the diagonal. A284428

a(1) = 1; for n > 1, a(n) is the least k > a(n-1) such that a(n) + a(n-1) is square and a(n) - a(n-1) is prime. A108972

Primes of the form (k! + 3)/3. A89131