Properties of the Number 12886

Twelve Thousand Eight Hundred Eighty-Six

Basics

Value: 12885 → 12886 → 12887

Parity: even

Prime: No

Previous Prime: 12853

Next Prime: 12889

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 17 × 379

Divisors: 1, 2, 17, 34, 379, 758, 6443, 12886

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11001001010110

Octal: 31126

Duodecimal: 755A

Hexadecimal: 3256

Square: 166048996

Square Root: 113.51651862174069

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

Number of distinct non-subset-sums of integer partitions of n. A365918

Numbers k > 1 such that, in base 5, k and k² contain the same digits in the same proportion. A61659

T(n,k) = Number of (n+2) X (k+2) binary arrays avoiding patterns 000 and 011 in rows, columns and nw-to-se diagonals. A202777

First column of A316273. Recurrence similar to series reversion giving Catalan numbers. A239605

Number of n-leaf binary trees that do not contain (()(()(()((()())())))) as a subtree. A159768

Number of compositions of n into parts 1, 7, and 8. A276106

Numbers k such that the continued fraction for sqrt(k) has period 98. A20437

Number of nX2 1..3 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nondecreasing order. A166796

Number of (n+2)X5 binary arrays avoiding patterns 000 and 011 in rows, columns and nw-to-se diagonals. A202772

Number of (n+2)X7 binary arrays avoiding patterns 000 and 011 in rows, columns and nw-to-se diagonals. A202774