Properties of the Number -12858

Twelve Thousand Eight Hundred Fifty-Eight

Basics

Value: -12859 → -12858 → -12857

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 2143

Divisors: 1, 2, 3, 6, 2143, 4286, 6429, 12858

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -11001000111010

Octal: -31072

Duodecimal: -7536

Hexadecimal: -323a

Square: 165328164

Square Root: 113.39312148450628

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

Expansion of ∏_{m >= 1} (1-m·q^m)¹⁶. A22676

Numbers k such that 2^k + 15 is prime. A57197

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..3 introduced in row major order. A231451

Let p = n-th prime == 3 mod 8; a(n) = sum of quadratic residues mod p that are < p/2. A282721

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock having the sum of its diagonal elements greater than the absolute difference of its antidiagonal elements. A251055

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001111. A260370

Numbers which are the sum of their proper divisors containing the digit 4. A59463

Number of 3-dimensional polyominoes (or polycubes) with n cells and rotational symmetry group of order exactly 2. A66454

Sphenic numbers (A007304) whose neighbors are sphenic. A248202

T(n,k)=Number of nXk 0..2 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A279925