Properties of the Number 12814

Twelve Thousand Eight Hundred Fourteen

Basics

Value: 12813 → 12814 → 12815

Parity: even

Prime: No

Previous Prime: 12809

Next Prime: 12821

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 43 × 149

Divisors: 1, 2, 43, 86, 149, 298, 6407, 12814

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11001000001110

Octal: 31016

Duodecimal: 74BA

Hexadecimal: 320e

Square: 164198596

Square Root: 113.19893992436502

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) = floor( n*(n-1)*(n-2)*(n-3)/28 ). A11938

Numbers for which the cube of the sum of the digits is equal to the square of the product of their digits. A241846

Solution of the complementary equation a(n) = 2·a(n-1) - a(n-2) + b(n-1) + 1, where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences. A294869

Numbers k such that the continued fraction for sqrt(k) has period 96. A20435

a(1)=1, a(n) is the smallest integer > a(n-1) such that the largest element in the simple continued fraction for S(n)=1/a(1)+1/a(2)+...+1/a(n) equals n³. A70903

Partial sums of A000149. A117869

Joint-rank array of the numbers j·e^i-1, read by antidiagonals. A182833

Floor(Primorial(n) / compositorial(n)), that is, floor(A002110(n) / A036691(n)). A233437

Number of length 1+3 0..n arrays with every four consecutive terms having the sum of some three elements equal to three times the fourth. A248538

a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 1, a(1) = 1, a(2) = 1, a(3) = -2. A295672