Properties of the Number 90944

Ninety Thousand Nine Hundred Forty-Four

Basics

Value: 90943 → 90944 → 90945

Parity: even

Prime: No

Previous Prime: 90931

Next Prime: 90947

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ⁶ × 7 ² × 29

Divisors: 1, 2, 4, 7, 8, 14, 16, 28, 29, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10110001101000000

Octal: 261500

Duodecimal: 44768

Hexadecimal: 16340

Square: 8270811136

Square Root: 301.56922919953223

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

Card-matching numbers (Dinner-Diner matching numbers). A59058

a(n) is the least integer m such that A047994(m) = ((n-2)/n)*m where A047994 is the unitary totient function, or 0 if there is no such m. A319313

a(n) = (1/4) * ∑_{k=0..floor(n/2)} (k+2) * 2^k * binomial(2·k+2,2·n-4·k+1). A391833

Card-matching numbers (Dinner-Diner matching numbers). A59068

Number of permutations of n distinct letters (ABCD...) each of which appears thrice with three fixed points. A124043

Number of nondecreasing arrangements of n+3 numbers in 0..4 with each number being the sum mod 5 of three others. A183899

Conductor of elliptic curve y² = x³ - n·x - n. A387891

Number of fixed points in range [A014137(n-1)..A014138(n-1)] of permutation A082339/A082340. A89430

Number of permutations of n distinct letters (ABCD...) each of which appears thrice with n-3 fixed points. A124007

Number of permutations of n distinct letters (ABCD...) each of which appears thrice with n-4 fixed points. A124008