Properties of the Number -17875

Seventeen Thousand Eight Hundred Seventy-Five

Basics

Value: -17876 → -17875 → -17874

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 ³ × 11 × 13

Divisors: 1, 5, 11, 13, 25, 55, 65, 125, 143, 275

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100010111010011

Octal: -42723

Duodecimal: -A417

Hexadecimal: -45d3

Square: 319515625

Square Root: 133.69741957120937

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

First term of n-th difference sequence of (floor(k·r)), r = -sqrt(6), k >= 0. A325671

Number of regions in regular n-gon with all diagonals drawn. A7678

a(n) = binomial(2n-3,n-1) + binomial(2n-2,n-2). A97613

a(n) = binomial(n+6,6)*(2n+7)/7. A50486

4-dimensional analog of centered polygonal numbers. Also number of regions created by sides and diagonals of a convex n-gon in general position. A6522

a(n) = number of (s(0), s(1), ..., s(n)) such that s(i) is a nonnegative integer and |s(i) - s(i-1)| = 1 for i = 1,2,...,n and s(0) = 2. Also a(n) = sum of numbers in row n+1 of array T defined in A026009. A26010

a(n) = (1/2)*(binomial(2n, n) - binomial(2n-2, n-1)). A24482

Triangle read by rows: T(n,k) is the number of achiral colorings of the facets of a regular n-dimensional orthotope using exactly k colors. Row n has 2n columns. A325011

Numbers k such that A276086(k) is a multiple of k. A328387

Numbers that are the sum of six fourth powers in four or more ways. A345561