Properties of the Number 91400

Ninety-One Thousand Four Hundred

Basics

Value: 91399 → 91400 → 91401

Parity: even

Prime: No

Previous Prime: 91397

Next Prime: 91411

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 5 ² × 457

Divisors: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110010100001000

Octal: 262410

Duodecimal: 44A88

Hexadecimal: 16508

Square: 8353960000

Square Root: 302.32432915661946

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

a(n) = ∏_{odd primes p | n} (1 + Legendre(-1,p) ). A91400

a(n) = n⁶ - (883/60)*n⁵ + (157/3)*n⁴ + (2155/12)*n³ - (4570/3)*n² + (42767/15)*n - 967. A28295

Number of (n+1)X4 0..2 arrays containing all values 0..2 with every 2X2 subblock having two or three distinct values, and new values 0..2 introduced in row major order. A210007