Properties of the Number 11243

Eleven Thousand Two Hundred Forty-Three

Basics

Value: 11242 → 11243 → 11244

Parity: odd

Prime: Yes

Previous Prime: 11239

Next Prime: 11251

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 11243

Divisors: 1, 11243

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111101011

Octal: 25753

Duodecimal: 660B

Hexadecimal: 2beb

Square: 126405049

Square Root: 106.03301372685773

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

Discriminants of imaginary quadratic fields with class number 25 (negated). A56987

a(0) = 2; a(n) for n > 0 is the smallest prime greater than a(n-1) that differs from a(n-1) by a square. A73609

Numbers k such that 6·k! - 1 is prime. A180627

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..3 introduced in row major order. A231363

Where the prime race among 9k+1, ..., 9k+8 changes leader. A297407

Primes whose decimal representation is a valid number in base 5 and interpreted as such is again a prime. A90708

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300498

Values of·in x² - 49 = 2·y². A106525

Principal diagonal of the convolution array A213568. A213569

Primes p such that p+8, p+86, p+864 are prime. A236302