Properties of the Number 28571

Twenty-Eight Thousand Five Hundred Seventy-One

Basics

Value: 28570 → 28571 → 28572

Parity: odd

Prime: Yes

Previous Prime: 28559

Next Prime: 28573

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 28571

Divisors: 1, 28571

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111110011011

Octal: 67633

Duodecimal: 1464B

Hexadecimal: 6f9b

Square: 816302041

Square Root: 169.0295832095672

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

Number of partitions of n in which the sequence of frequencies of the summands is nondecreasing. A100883

Number of polyominoes with n cells, symmetric about two orthogonal axes. A56877

Smallest prime in a sequence of n consecutive primes which add to a perfect square. A132955

a(n) = next prime after n⁴. A53786

Primes of the form k² + 10. A138355

The first member of a twin prime pair whose sum equals the sums of two consecutive smaller pairs of twin primes. A225943

Primes of the form (p²+2)/33 (with p prime). A165673

Numerator of ∑_k=1..n d(k)/k, where d() = A000005(). A60436

Minimal representatives for the finite cycles in the permutation defined by A064413. A64794

Smallest prime p such that sum of p and the next n-1 primes is a perfect square, or 1 if no such prime exists. A73887