Properties of the Number 8628

Eight Thousand Six Hundred Twenty-Eight

Basics

Value: 8627 → 8628 → 8629

Parity: even

Prime: No

Previous Prime: 8627

Next Prime: 8629

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 719

Divisors: 1, 2, 3, 4, 6, 12, 719, 1438, 2157, 2876

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110110100

Octal: 20664

Duodecimal: 4BB0

Hexadecimal: 21b4

Square: 74442384

Square Root: 92.88702815786498

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

Numbers k such that 2^k - 17 is prime. A59611

Numbers n such that the decimal expansions of both n and n² have 2 as smallest digit and 8 as largest digit. A257368

Aliquot sequence starting at 1134. A14365

Numbers k such that τ(k) = τ(k+1) mod 691, where τ is Ramanujan's τ function A000594. A121733

Numbers that are the sum of nine fourth powers in seven or more ways. A345591

Numbers that are the sum of nine fourth powers in exactly seven ways. A345849

Starting numbers for which the RATS sequence has eventual period 14. A114615

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A326105

Number of 2 X 2 matrices having all elements in {-n,...,n} and determinant 1. A209982

Numbers k such that in a rotated-square spiral with positive integers (A215468) among k's eight nearest neighbors five or more are primes. A215471