Properties of the Number 75424

Seventy-Five Thousand Four Hundred Twenty-Four

Basics

Value: 75423 → 75424 → 75425

Parity: even

Prime: No

Previous Prime: 75407

Next Prime: 75431

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ⁵ × 2357

Divisors: 1, 2, 4, 8, 16, 32, 2357, 4714, 9428, 18856

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10010011010100000

Octal: 223240

Duodecimal: 37794

Hexadecimal: 126a0

Square: 5688779776

Square Root: 274.63430230034993

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

Numbers k such that k * (k+5) gives the concatenation of two numbers m and m+5. A116324

a(n) = n*(7·n² - 3·n - 1)/3. A214659

a(1) = 1. a(n) = sum of the earlier terms of the sequence, a(k), where GCD(n,a(k)) is <= k, for 1 <= k <= n-1. A119990

a(n) = A075423(A075423(n)). A75424

Number of nX4 binary arrays without the pattern 0 0 1 diagonally, antidiagonally or horizontally. A189259