Properties of the Number 11827

Eleven Thousand Eight Hundred Twenty-Seven

Basics

Value: 11826 → 11827 → 11828

Parity: odd

Prime: Yes

Previous Prime: 11821

Next Prime: 11831

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 11827

Divisors: 1, 11827

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111000110011

Octal: 27063

Duodecimal: 6A17

Hexadecimal: 2e33

Square: 139877929

Square Root: 108.75201147565042

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

Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[4,2,6]; short d-string notation of pattern = [426]. A78850

Primes p such that p-1 divides 2^p-2. A69051

Primes at which the difference pattern X42Y (X and Y >= 6) occurs in A001223. A52164

a(1) = 1, a(n+1) is the sum of a(n) and ceiling( arithmetic mean of a(1) ... a(n) ). A65095

Second member of a sexy prime quadruple: value of p+6 such that p, p+6, p+12 and p+18 are all prime. A46122

Noncomposite numbers in the southern ray of the Ulam spiral as oriented on the March 1964 cover of Scientific American. A168027

Primes of the form 4·k² + 163. A57604

Primes p for which p + 4 and p³ + 4 are primes. A243583

Discriminants of imaginary quadratic fields with class number 13 (negated). A46010

Primes which can be expressed as concatenation of cubes. A66592