Properties of the Number 52660

Fifty-Two Thousand Six Hundred Sixty

Basics

Value: 52659 → 52660 → 52661

Parity: even

Prime: No

Previous Prime: 52639

Next Prime: 52667

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5 × 2633

Divisors: 1, 2, 4, 5, 10, 20, 2633, 5266, 10532, 13165

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100110110110100

Octal: 146664

Duodecimal: 26584

Hexadecimal: cdb4

Square: 2773075600

Square Root: 229.47766775876036

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 which are the sum of their proper divisors containing the digit 3. A59462

a(1) = 0, and for n > 1, a(n) = 2·a(A252463(n)) + [n == 1 (mod 2)]*[J(3∣n) == -1], where J is the Jacobi-symbol. A292255

Numbers that are the sum of nine fifth powers in three or more ways. A345620

Numbers that are the sum of nine fifth powers in exactly three ways. A346338

Fibonacci + Goldbach: a(1)=6, a(2)=8 and for n>=3, a(n)=g(a(n-1)) + g(a(n-2)), where for m>=3, g(2·m) is the maximal prime p < 2·m such that 2·m - p is prime. A216275

T(n,k)=Number of nXk 0..1 arrays with no element equal to more than one of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A280440

Expansion of e.g.f. (2-2·x-x²)/((1-x)*(1-x-x²)). A52660