Properties of the Number 51528

Fifty-One Thousand Five Hundred Twenty-Eight

Basics

Value: 51527 → 51528 → 51529

Parity: even

Prime: No

Previous Prime: 51521

Next Prime: 51539

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 19 × 113

Divisors: 1, 2, 3, 4, 6, 8, 12, 19, 24, 38

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1100100101001000

Octal: 144510

Duodecimal: 259A0

Hexadecimal: c948

Square: 2655134784

Square Root: 226.99779734614165

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

Let p = A002145(n) be the n-th prime == 3 (mod 4); a(n) is the multiplicative order of 2+-i modulo p in Gaussian integers. A385165

Chebyshev polynomials S(n,227). A98245

Principal diagonal of the convolution array A213548. A213549

a(n) = 144·n² - 24·n (n>=1). A305072

Numbers n such that n+1 and φ(n)+1 are both perfect squares. A89952

Number of 6-step one space at a time bishop's tours on an n X n board summed over all starting positions. A187159

a(n) = n⁴ + 4·n² + 3. A304726

a(n) = 1 + 2 * (a(n-1) + a(n-4) + a(n-6)) + a(n-7) for n>3, with initial values 0 if n<0, and 1,3,8,18 for n=0..3. A317188

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFS = ZSM-57 H1.5[Al1.5Si34.5O72] starting with a T2 atom. A19176

Numbers of the form p² - 1 where p is a prime of the form 3·k-1 (A003627). A301812