Properties of the Number 91088

Ninety-One Thousand Eighty-Eight

Basics

Value: 91087 → 91088 → 91089

Parity: even

Prime: No

Previous Prime: 91081

Next Prime: 91097

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 5693

Divisors: 1, 2, 4, 8, 16, 5693, 11386, 22772, 45544, 91088

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110001111010000

Octal: 261720

Duodecimal: 44868

Hexadecimal: 163d0

Square: 8297023744

Square Root: 301.8078859142021

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

Starts of runs of 4 consecutive positive negabinary-Niven numbers (A331728). A331824

G.f. satisfies: A(x) = (1 + x + x²) * A(x²)⁴. A237648

a(n) is the minimum odd number that must be appended to n to form a prime. A91088

Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 2 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 2 3 4 6 or 7. A252275

Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 2 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 2 4 6 or 7. A252520