Properties of the Number 12386

Twelve Thousand Three Hundred Eighty-Six

Basics

Value: 12385 → 12386 → 12387

Parity: even

Prime: No

Previous Prime: 12379

Next Prime: 12391

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 11 × 563

Divisors: 1, 2, 11, 22, 563, 1126, 6193, 12386

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000001100010

Octal: 30142

Duodecimal: 7202

Hexadecimal: 3062

Square: 153412996

Square Root: 111.2924076476019

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

a(n) = n*(13·n - 9)/2. A226488

a(n) = ∑_k=0..n T(n,k), T given by A026769. A26776

n² + {1,3,7} are primes. A182238

Expansion of ∏_k>=1 (1 - x^2·k)^2·k/(1 - x^2·k-1)^2·k-1. A281781

Consider all integer triples (i,j,k), j,k>0, with binomial(i+2,3)=binomial(j+2,3)+k³, ordered by increasing i; sequence gives i values. A54221

a(n) = (n³ + 5·n + 18)/6. A60163

A triangle with Pell numbers in the first column. A164981

Number of partitions p of n that do not include (min(p) + max(p))/2 as a part. A238481

Number of pandiagonal Latin squares of order 2n+1 with the first row in ascending order. A338620

a(n) = smallest number > a(n-1) such that a(1)*a(2)*...*a(n) + 1 and a(1)*a(2)*...*a(n) - 1 are primes. A51956