Properties of the Number 28613

Twenty-Eight Thousand Six Hundred Thirteen

Basics

Value: 28612 → 28613 → 28614

Parity: odd

Prime: No

Previous Prime: 28607

Next Prime: 28619

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 13 × 31 × 71

Divisors: 1, 13, 31, 71, 403, 923, 2201, 28613

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111111000101

Octal: 67705

Duodecimal: 14685

Hexadecimal: 6fc5

Square: 818703769

Square Root: 169.1537761919609

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

Growth series for affine Coxeter group B₄. A267167

Numbers whose square is palindromic in base 12. A29737

{a(2,n)}, where a(m,n) is as defined in sequence A110576. A110578

a(n) = n⁴ + 4·n. A180354

Non-semiprime composite numbers e such that there is no 0<a<b<c<d<e for which a! * b! * c! * d! * e! is a perfect square. A392333

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 233", based on the 5-celled von Neumann neighborhood. A270978

Expansion of theta₃(q) * theta₃(q¹²) + theta₂(q) * theta₂(q¹²) in powers of q^1/4. A28613