Properties of the Number -19250

Nineteen Thousand Two Hundred Fifty

Basics

Value: -19251 → -19250 → -19249

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 ³ × 7 × 11

Divisors: 1, 2, 5, 7, 10, 11, 14, 22, 25, 35

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100101100110010

Octal: -45462

Duodecimal: -B182

Hexadecimal: -4b32

Square: 370562500

Square Root: 138.74436925511608

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

a(n) = n*(n-1)*(n-2)*(n+3)/12. A117662

Number of polygons formed when every pair of vertices of a regular n-gon are joined by an infinite line. A344857

Lesser of amicable pair m < n defined by t(n) = m and t(m) = n where t(n) = ψ(n) - n and ψ(n) = A001615(n) is the Dedekind ψ function. A323329

Number of points in N⁹ of norm <= n. A55408

Number of exterior points formed by extending diagonals of n-gon in general position. A5701

Triangle of coefficients c(n,i), 1<=i<=n, such that for each n>=2, c(n,i) are setwise coprime; and for all primes p>2n-1, the sum of (-1)ⁱ*c(n,i)*binomial(i·p,p) is divisible by p^2n-1. A268512

A convolution triangle of numbers obtained from A034687. A49375

a(n) = A276086(n)*A276086(σ(n)-n) - A276086(σ(n)), where A276086 is the primorial base exp-function, and σ is the sum of divisors function. A388281

Number of nonisomorphic proper colorings of partition multicycle graph using five colors. A298265

Number of nonnegative solutions to (x₁)² + (x₂)² + ... + (x₉)² <= n. A341404