Properties of the Number 91422

Ninety-One Thousand Four Hundred Twenty-Two

Basics

Value: 91421 → 91422 → 91423

Parity: even

Prime: No

Previous Prime: 91411

Next Prime: 91423

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 1693

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 1693, 3386

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: 10110010100011110

Octal: 262436

Duodecimal: 44AA6

Hexadecimal: 1651e

Square: 8357982084

Square Root: 302.3607117335187

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

Expansion of 2·x²*(7+14·x+4·x²)/((1+x-x²)*(1-2·x-10·x²-6·x³)). A120714

E.g.f.: (1/x) * Series_Reversion( -x + 2·x*exp(-x) ). A258872

Number of (n+2)X(3+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010011. A260762

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010011. A260767

Number of nX4 0..1 arrays with no element equal to exactly one horizontal or vertical neighbor, with new values 0..1 introduced in row major order. A240652

Write the natural numbers in binary, break the result up into blocks of 2 digits each and convert each block back into decimal. A91422