Properties of the Number 28860

Twenty-Eight Thousand Eight Hundred Sixty

Basics

Value: 28859 → 28860 → 28861

Parity: even

Prime: No

Previous Prime: 28859

Next Prime: 28867

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 5 × 13 × 37

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 13, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000010111100

Octal: 70274

Duodecimal: 14850

Hexadecimal: 70bc

Square: 832899600

Square Root: 169.88231220465536

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

a(n) = n³ - n² + n - 1 = (n-1) * (n² + 1). A62158

T(n,k)=Number of length n+5 0..k arrays with no six consecutive terms having the maximum of any three terms equal to the minimum of the remaining three terms. A250014

Number of n-step walks on square lattice in the first quadrant which finish at distance n-3 from the x-axis. A5564

a(n) = n*(n + 11)*(n + 22)*(n + 33)/24. A264448

T(n,k) is the number of (n+1) X (k+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings). A234672

The first of 33 consecutive positive integers the sum of the squares of which is a square. A269449

Triangle, read by rows, of the coefficients of [x^k] in G100234(x)ⁿ such that the row sums are 6ⁿ-1 for n>0, where G100234(x) is the g.f. of A100234. A100235

Positive integers n such that n² = (x⁴ - y⁴)*(z⁴ - t⁴) where the pairs of integers (x,y) and (z,t) are not proportional. A147854

Smallest k for which a chain of linked rods of length 1, ..., k can be folded in half in exactly n dictinct ways. A390056

Earliest sequence such that (x+y) | a(xy) for all x>=1, y>=1. A169901