Properties of the Number 90804

Ninety Thousand Eight Hundred Four

Basics

Value: 90803 → 90804 → 90805

Parity: even

Prime: No

Previous Prime: 90803

Next Prime: 90821

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 7 × 23 × 47

Divisors: 1, 2, 3, 4, 6, 7, 12, 14, 21, 23

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110001010110100

Octal: 261264

Duodecimal: 44670

Hexadecimal: 162b4

Square: 8245366416

Square Root: 301.3370206264076

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

Numbers k such that k and k+1 have at least 4 but not both exactly 4 distinct prime factors. A321494

Numbers k such that σ(k) = 2*σ(k+1). A163193

Numerators in an asymptotic expansion of Ramanujan. A90804