Properties of the Number 28256

Twenty-Eight Thousand Two Hundred Fifty-Six

Basics

Value: 28255 → 28256 → 28257

Parity: even

Prime: No

Previous Prime: 28229

Next Prime: 28277

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁵ × 883

Divisors: 1, 2, 4, 8, 16, 32, 883, 1766, 3532, 7064

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110111001100000

Octal: 67140

Duodecimal: 14428

Hexadecimal: 6e60

Square: 798401536

Square Root: 168.09521111560557

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

8-step Fibonacci sequence starting with 0,0,1,0,0,0,0,0. A251744

Number of plane trees with n nodes where the sequence of branches directly under any given node is aperiodic, meaning its cyclic permutations are all different. A317852

Triangle read by rows: T(n,k) is the number of Motzkin paths of length n having trapezoid weight k. A104573

Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having height of the last peak equal to k (1 <= k <= n). A128745

Number of n X 5 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..1 n X 5 array. A219499

Numbers that are the sum of a positive square and a positive fifth power in more than one way. A363715

Number of 7Xn 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 0 1 vertically. A207074

Fibonacci(n+2) mod n-th prime. A28256