Properties of the Number 90490

Ninety Thousand Four Hundred Ninety

Basics

Value: 90489 → 90490 → 90491

Parity: even

Prime: No

Previous Prime: 90481

Next Prime: 90499

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 9049

Divisors: 1, 2, 5, 10, 9049, 18098, 45245, 90490

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10110000101111010

Octal: 260572

Duodecimal: 4444A

Hexadecimal: 1617a

Square: 8188440100

Square Root: 300.81555810828667

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 k² use only the digits 0, 1, 4, 8 and 9. A136867

For n > 1, a(n) is the least multiple of n that can be obtained by adding one digit to each end of a(n-1). A90490