Properties of the Number -20167

Twenty Thousand One Hundred Sixty-Seven

Basics

Value: -20168 → -20167 → -20166

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 × 43 × 67

Divisors: 1, 7, 43, 67, 301, 469, 2881, 20167

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -100111011000111

Octal: -47307

Duodecimal: -B807

Hexadecimal: -4ec7

Square: 406707889

Square Root: 142.01056298740596

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

Starts of runs of 4 consecutive Gray-code Niven numbers (A344341). A344344

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 617", based on the 5-celled von Neumann neighborhood. A273248

Numbers n such that (6k-1) for k=n, n+1, n+2, n+3 are all primes with no primes of the form (6k+1) in between. A296011

Binomial transform of reflected tetranacci numbers A074058: a(n)=Sum((-1)^k Binomial(n,k)*A074058(k),(k=0,..,n)). A75129

Number of points that are the intersections of exactly two semicircles in the configuration A290447(n). A292103

Irregular triangle read by rows: T(n,k) (0 <= k <= n²) are coefficients of cluster density function for site percolation on an n X n 2D triangular lattice with open boundary conditions. A365945

a(n) = ∑_{k = 0..n} binomial(n, k)²*binomial(n+k, k)²*A108625(n, n-k). A376464