Properties of the Number 28579

Twenty-Eight Thousand Five Hundred Seventy-Nine

Basics

Value: 28578 → 28579 → 28580

Parity: odd

Prime: Yes

Previous Prime: 28573

Next Prime: 28591

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 28579

Divisors: 1, 28579

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111110100011

Octal: 67643

Duodecimal: 14657

Hexadecimal: 6fa3

Square: 816759241

Square Root: 169.05324604987624

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 three-dimensional version of the cellular automaton A160118, using cubes. A160119

Prime(n) and prime(n+2) use the same digits. A69794

Primes p such that p·floor(p/2)-2 and p·floor(p/2)+2 are also prime numbers. A164621

Primes p that p//13 and p//31 are consecutive primes. A176601

Number of 4-element subsets of [n] having a prime element sum. A320679

a(0) = 1, a(n) = 17·n² + 2 for n>0. A10007

Number of (n+2)X(4+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 1 3 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 1 3 6 or 7. A252301

Discriminants of imaginary quadratic fields with class number 33 (negated). A351671

Expansion of e.g.f.: sin(log(1+x))/cosh(x). A9460

Multiplicity of highest weight (or singular) vectors associated with character chi₁₃₀ of Monster module. A34518