Properties of the Number 75530

Seventy-Five Thousand Five Hundred Thirty

Basics

Value: 75529 → 75530 → 75531

Parity: even

Prime: No

Previous Prime: 75527

Next Prime: 75533

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 7 × 13 × 83

Divisors: 1, 2, 5, 7, 10, 13, 14, 26, 35, 65

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10010011100001010

Octal: 223412

Duodecimal: 37862

Hexadecimal: 1270a

Square: 5704780900

Square Root: 274.82721844824613

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

Number of ways to place 3 non-attacking ferses on an n X n board. A201244

Row sums of triangle A132921. A132922

Smallest m, such that there are exactly n solutions of the equation (m+k)' = m' + k', where 1 <= k <= 2·m and x' = A003415(x), the arithmetic derivative of x. A258138

a(n) is the largest m such that n+1, n+2, ..., n+m are all members of the set X(n) given in A075529. A75530

Number of (n+1)X5 0..1 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) such that rows of b(i,j) and columns of c(i,j) are lexicographically nondecreasing. A203448