Properties of the Number 2243

Two Thousand Two Hundred Forty-Three

Basics

Value: 2242 → 2243 → 2244

Parity: odd

Prime: Yes

Previous Prime: 2239

Next Prime: 2251

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2243

Divisors: 1, 2243

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011000011

Octal: 4303

Duodecimal: 136B

Hexadecimal: 8c3

Square: 5031049

Square Root: 47.36032094485847

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 (w,x,y) such that w,x,y are all in {0,...,n} and |w-x| = |x-y|. A212959

a(n) = 2·n² + 2·n - 1. A142463

Lower prime of a difference of 8 between consecutive primes. A31926

Primes of the form 20·k + 3. A105854

Primes of the form 3·x²+8·y². A107007

a(n) = 6·n² + 4·n + 1. A80859

Primes congruent to 23 (mod 30). A132235

T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero. A284334

a(n) is prime and sum of all primes <= a(n) is prime. A13917

Primes p with digital sum equal to 11. A106754