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Properties of the Number -18536

Eighteen Thousand Five Hundred Thirty-Six

Basics

Value: -18537 → -18536 → -18535

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 3 × 7 × 331

Divisors: 1, 2, 4, 7, 8, 14, 28, 56, 331, 662

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -100100001101000

Octal: -44150

Duodecimal: -A888

Hexadecimal: -4868

Square: 343583296

Square Root: 136.14697940094007

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

Numbers k such that k | 7k + 7. A15893
a(n) = T(2n+1,n), array T as in A055818. A55825
High temperature series for spin-1/2 Ising magnetic susceptibility on 4D simple cubic lattice. A10556
Triangular array read by rows: T(n,1) = T(n,n) = 1, T(n,k) = 4·T(n-1, k-1) + 2·T(n-1, k). A119726
Numbers m such that the GCD of the x's that satisfy σ(x) = m is 4. A241649
Number of integer compositions of n with all prime parts and all prime run-lengths. A353429
Numbers k such that 7·Rk + 2 is prime, where Rk = 11...1 is the repunit (A002275) of length k. A98089
Number of partitions of n with odd crank. A124228
a(n) = 686·n + 14. A157366
Numbers k such that card({x|σ(x)=k}) > 1 and (∑σ(x)=k x) < k. A258931