Properties of the Number -27895

Twenty-Seven Thousand Eight Hundred Ninety-Five

Basics

Value: -27896 → -27895 → -27894

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 5 × 7 × 797

Divisors: 1, 5, 7, 35, 797, 3985, 5579, 27895

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -110110011110111

Octal: -66367

Duodecimal: -14187

Hexadecimal: -6cf7

Square: 778131025

Square Root: 167.01796310576896

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

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X3 or 3X2 subblock having no more than two equal edges, and new values 0..2 introduced in row major order. A206621

Number of ways to cover (without overlapping) a ring lattice (necklace) of n sites with molecules that are 7 sites wide. A58366

a(n) = n*(94 + 5·n + 25·n² - 5·n³ + n⁴)/120. A57703

Main diagonal of Unlucky array: a(n) = A255543(n,n). A255549

Convolution of natural numbers with (1, p(1), p(2), ... ), where p(k) is the k-th prime. A23538

Number of (n+1) X 2 0..2 arrays with every 2 X 3 or 3 X 2 subblock having no more than two equal edges, and new values 0..2 introduced in row major order. A206614

Number of (n+1) X 6 0..2 arrays with every 2 X 3 or 3 X 2 subblock having no more than two equal edges, and new values 0..2 introduced in row major order. A206618

Records of A288814. A300098

Numbers n such that 55·2ⁿ-1 is prime. A50553