Properties of the Number 8228

Eight Thousand Two Hundred Twenty-Eight

Basics

Value: 8227 → 8228 → 8229

Parity: even

Prime: No

Previous Prime: 8221

Next Prime: 8231

Digit Sum: 20

Digital Root: 2

Palindrome: Yes

Factorization: 2 ² × 11 ² × 17

Divisors: 1, 2, 4, 11, 17, 22, 34, 44, 68, 121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000000100100

Octal: 20044

Duodecimal: 4918

Hexadecimal: 2024

Square: 67699984

Square Root: 90.70832376358854

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 n such that Bernoulli number B_n has denominator 690. A272186

Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 2 + 4·x, p(n,x) = u·p(n-1,x) + v·p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - 2·x - x². A367298

a(n) = 17·n². A244630

Poincaré series for invariant polynomial functions on the space of binary forms of degree 9. A293934

1 + ∑_n>=1 a_n xⁿ = ∏_n>=1 (1-xⁿ)^prime(n). A7441

Palindromic and divisible by 4. A45639

Numbers that are the sum of eight fourth powers in exactly five ways. A345837

Number of 4-block ordered tricoverings of an unlabeled n-set. A60488

Concentric 17-gonal numbers. A195047

a(n) is the smallest palindrome > a(n-1) such that a(1)+a(2)+...+a(n) is a prime. A51934