Properties of the Number 52425

Fifty-Two Thousand Four Hundred Twenty-Five

Basics

Value: 52424 → 52425 → 52426

Parity: odd

Prime: No

Previous Prime: 52391

Next Prime: 52433

Digit Sum: 18

Digital Root: 9

Palindrome: Yes

Factorization: 3 ² × 5 ² × 233

Divisors: 1, 3, 5, 9, 15, 25, 45, 75, 225, 233

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100110011001001

Octal: 146311

Duodecimal: 26409

Hexadecimal: ccc9

Square: 2748380625

Square Root: 228.96506283710622

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

O.g.f.: ∑_n>=0 xⁿ / ∏_k=1..n (1 - n·k*x). A229233

a(n) = ∑_k=0..n floor(binomial(n,k)/(k+1)). A95718

Final terms of rows of A077529. A77530

Palindromes in A082939. A82940

a(n) = 3·a(n-1) + 4·a(n-2), with a(0) = 3, a(1) = 7, a(3) = 9, for n > 2. A115164

Palindromes n such that n+(product of digits of n) gives a larger palindrome. A114341

Numbers k such that 3k-4, 3k-2, 3k+2, and 3k+4 are primes. A173092

Zeroless numbers n such that n and n - (product of digits of n) are both palindromes. A229761

Palindromes of the form k*(k+8). A28568

a(n) = n² concatenated with reverse(n²) divided by 11. A84009