Properties of the Number 91044

Ninety-One Thousand Forty-Four

Basics

Value: 91043 → 91044 → 91045

Parity: even

Prime: No

Previous Prime: 91033

Next Prime: 91079

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ⁴ × 281

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10110001110100100

Octal: 261644

Duodecimal: 44830

Hexadecimal: 163a4

Square: 8289009936

Square Root: 301.73498305632376

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

G.f. A(x) satisfies: A(x)² + A(-x)² = 2 and A(x)³ - A(-x)³ = 36·x. A196868

Lower Beatty array of the golden ratio, (1+sqrt(5))/2. A181886

Greatest integer k such that k/Fibonacci(n) <= 3/4. A293631

Sum of odd divisors of n < sqrt(n) = sum of even divisors of n < sqrt(n). A33832

One half of odd-numbered entries of even-numbered rows of Pascal's triangle A007318. A91044

Rectangular table where the g.f. of row n satisfies: R(n,x) = 1 + x·R(n,x)ⁿ * [d/dx x/R(n,x)] for n>=0, as read by antidiagonals. A208896