Properties of the Number -12864

Twelve Thousand Eight Hundred Sixty-Four

Basics

Value: -12865 → -12864 → -12863

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

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

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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 a_k(1,2,4,5,...,n+1). A196842

Number of base 20 n-digit numbers with adjacent digits differing by one or less. A126374