Properties of the Number 90243

Ninety Thousand Two Hundred Forty-Three

Basics

Value: 90242 → 90243 → 90244

Parity: odd

Prime: No

Previous Prime: 90239

Next Prime: 90247

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 37 × 271

Divisors: 1, 3, 9, 37, 111, 271, 333, 813, 2439, 10027

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10110000010000011

Octal: 260203

Duodecimal: 44283

Hexadecimal: 16083

Square: 8143799049

Square Root: 300.4047269934346

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

Divisors of 10¹⁵ - 1. A111117

Numbers k dividing every cyclic permutation of k³. A242680

Expansion of ∑_k>=2 x^Fibonacci(k)/(1 - x^Fibonacci(k)) / ∏_k>=2 (1 - x^Fibonacci(k)). A281689

Numbers k such that s(k) = s(k+1), where s(k) is A059975. A327250

The periodic part of the decimal expansion of prime(n-1) / prime(n). A212528

Permutation of natural numbers generated by 4-rowed array shown below. A90243

Number of n-move king paths on 8 X 8 board from given corner to opposite corner. A25597