Properties of the Number 99180

Ninety-Nine Thousand One Hundred Eighty

Basics

Value: 99179 → 99180 → 99181

Parity: even

Prime: No

Previous Prime: 99173

Next Prime: 99181

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 5 × 19 × 29

Divisors: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11000001101101100

Octal: 301554

Duodecimal: 49490

Hexadecimal: 1836c

Square: 9836672400

Square Root: 314.92856332825704

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

a(n) = (2^n-1/(2n)!)*∏_k=1..n q(k) where q(n) is the denominator of B(2n), the 2n-th Bernoulli number. A69267

Numbers k such that k plus the sum of the fifth powers of the digits of k is a cube. A341286

Primes p which are greater than p reversed. A99180