ℕ atory
Play Now

Properties of the Number 12864

Twelve Thousand Eight Hundred Sixty-Four

Basics

Value: 12863 → 12864 → 12865

Parity: even

Prime: No

Previous Prime: 12853

Next Prime: 12889

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 6 × 3 × 67

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 11001001000000

Octal: 31100

Duodecimal: 7540

Hexadecimal: 3240

Square: 165482496

Square Root: 113.4195750300626

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

Coordination sequence for hexagonal close-packing. A7899
Triangle T(n,m) of number of labeled n-node T0-hypergraphs with m distinct hyperedges (empty hyperedge included), m=0,1,...,2n. A59084
Products of the 6th power of a prime and 2 distinct primes (p6*q·r). A179672
Triangle T(n,k) whose k-th column is the k-fold self-convolution of the primes; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A340991
Number of length n binary sequences with at most 3 of every 6 adjacent bits set. A133551
Numbers divisible by at least four of their digits, different and >1. A187238
Numbers with 28 divisors. A137491
T(n,k)=Number of (n+1)X(k+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 16 (16 maximizes T(1,1)). A233939
Table of the elementary symmetric functions ak(1,2,4,5,...,n+1). A196842
Number of base 20 n-digit numbers with adjacent digits differing by one or less. A126374