Properties of the Number 55490

Fifty-Five Thousand Four Hundred Ninety

Basics

Value: 55489 → 55490 → 55491

Parity: even

Prime: No

Previous Prime: 55487

Next Prime: 55501

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 31 × 179

Divisors: 1, 2, 5, 10, 31, 62, 155, 179, 310, 358

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1101100011000010

Octal: 154302

Duodecimal: 28142

Hexadecimal: d8c2

Square: 3079140100

Square Root: 235.56315501368206

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. satisfies: A(x - 3·A(x)²) = x + 2·A(x)². A277302

Numbers k such that the number of primes <= k is φ(φ(k)). A63999

Factorial primes: primes of the form n! - 1. A55490