Properties of the Number 99040

Ninety-Nine Thousand Forty

Basics

Value: 99039 → 99040 → 99041

Parity: even

Prime: No

Previous Prime: 99023

Next Prime: 99041

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ⁵ × 5 × 619

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11000001011100000

Octal: 301340

Duodecimal: 49394

Hexadecimal: 182e0

Square: 9808921600

Square Root: 314.7062122043351

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

Expansion of 1/(1 - x*∏_k>=1 (1 - k·x^k)). A299209

The numbers k for which gcd(k, φ(k)) + gcd(k, τ(k)) = gcd(k, σ(k)). A326416

Riordan array (1, 2+2x). A99040