Properties of the Number 28052

Twenty-Eight Thousand Fifty-Two

Basics

Value: 28051 → 28052 → 28053

Parity: even

Prime: No

Previous Prime: 28051

Next Prime: 28057

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 7013

Divisors: 1, 2, 4, 7013, 14026, 28052

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110110010100

Octal: 66624

Duodecimal: 14298

Hexadecimal: 6d94

Square: 786914704

Square Root: 167.4873129523547

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

Triangle U, read by rows, where column k of U^j+1 = column j of P^3k+1 for j>=0, k>=0 and P=A136220. A136228

Square array, read by antidiagonals, where row n+1 is generated from row n by first removing terms in row n at positions {floor(m*(m+7)/6), m>=0} and then taking partial sums, starting with all 1's in row 0. A136217

Total number of square parts in all partitions of n. A73336

Column 1 of triangle A136228; also equals column 3 of square array A136217. A136229

Numbers which are the sum of a prime and the square of the next prime. A349660

Numbers which do not reach zero under either of the iterations: x -> floor(sqrt(x)) * (x - floor(sqrt(x))²) or y -> ceiling(sqrt(y)) * (ceiling(sqrt(y))² - y). A219963

Triangle, read by rows, equal to the matrix 4th power of triangle A136220. A136232

Numbers k such that 10·3^k - 1 is prime. A5542

Triangle P, read by rows, where column k of P³ equals column 0 of P^3k+3 such that column 0 of P³ equals column 0 of P shift one row up, with P(0,0)=1. A136220

Column 0 of triangles A136220 and A136228; also equals column 0 of tables A136217 and A136218. A136221