Properties of the Number 11867

Eleven Thousand Eight Hundred Sixty-Seven

Basics

Value: 11866 → 11867 → 11868

Parity: odd

Prime: Yes

Previous Prime: 11863

Next Prime: 11887

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 11867

Divisors: 1, 11867

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111001011011

Octal: 27133

Duodecimal: 6A4B

Hexadecimal: 2e5b

Square: 140825689

Square Root: 108.93576088686396

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

Lower prime of a difference of 20 between consecutive primes. A31938

a(n) = ∑_k=1..n binomial(n,k) * d(k), where d(k) = the number of positive divisors of k. A160399

Least prime in A031938 (lesser of primes differing by 20) whose distance to the next 20-twin is 6·n. A52359

Largest prime below prime(n)² (A001248). A54270

Primes p = p_n+1 such that p_n + p_n+2 = 2·p_n+1 + 16. A95651

Number of partitions of n such that largest part k occurs at most floor(k/2) times. A118084

Primes p such that prime(p)+2 = prime(q)*prime(r) for distinct primes q and r. A261352

Numbers k such that 11k = 6j² + 6j + 1. A106388

Numbers k such that 2^k, 3^k, 5^k, 7^k, 11^k, 13^k, 17^k and 19^k have even digit sum. A119897