Properties of the Number -17982

Seventeen Thousand Nine Hundred Eighty-Two

Basics

Value: -17983 → -17982 → -17981

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁵ × 37

Divisors: 1, 2, 3, 6, 9, 18, 27, 37, 54, 74

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -100011000111110

Octal: -43076

Duodecimal: -A4A6

Hexadecimal: -463e

Square: 323352324

Square Root: 134.09697983176207

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

G.f. A(x) satisfies A(x) = ( 1 + 9·x*(1 + A(x)) )^1/3. A371987

Numbers k such that k and 4·k are anagrams. A23088

Expansion of ∏_k>0 1/theta₃(q^k), where theta₃() is the Jacobi θ function. A320068

a(n) = Least i in range [A165598(n),A165598(n+1)] for which abs(A165597(i)) gets the maximum value in that range. A165599

Numbers·whose digits can be permuted to produce a multiple of x. A245680

a(1)=1, a(2)=2, then use "merge and minus": a(n)=merge(a(n-2),a(n-1))-a(n-2)-a(n-1). A75537

Row sums of triangle defined in A113820. A160968

a(n) is the smallest positive number such that a(n)*n is an anagram of a(n)*6. A175695

a(n) is the smallest number such that a(n)*n is an anagram of a(n) * 7. A175696

a(3)=5, a(4)=8, a(5)=12; thereafter a(n) = a(n-1) + A000931(n+7). A220885