Properties of the Number 49720

Forty-Nine Thousand Seven Hundred Twenty

Basics

Value: 49719 → 49720 → 49721

Parity: even

Prime: No

Previous Prime: 49711

Next Prime: 49727

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 5 × 11 × 113

Divisors: 1, 2, 4, 5, 8, 10, 11, 20, 22, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100001000111000

Octal: 141070

Duodecimal: 24934

Hexadecimal: c238

Square: 2472078400

Square Root: 222.97981971469974

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

Reversion of x*(1-x)*(1-x²)*(1-x³)/(1-x⁶) = x*(1-x)²/(1-x+x²). A109081

Number of Motzkin n-paths avoiding odd-numbered steps that are up steps. A215067

Inverse of Riordan array ((1-x)(1-x²)(1-x³)/(1-x⁶), x(1-x)(1-x²)(1-x³)/(1-x⁶)). A185967

Number of 7Xn 0..1 arrays with every element equal to 0, 1, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302520

a(n)=T(n,1), array T as in A048149. A49720