Properties of the Number -18683

Eighteen Thousand Six Hundred Eighty-Three

Basics

Value: -18684 → -18683 → -18682

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 7 × 17 × 157

Divisors: 1, 7, 17, 119, 157, 1099, 2669, 18683

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100100011111011

Octal: -44373

Duodecimal: -A98B

Hexadecimal: -48fb

Square: 349054489

Square Root: 136.68577102244404

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) = 10ⁿ - n⁹. A24123

Monotonic ordering of nonnegative differences 3ⁱ-10^j, for 40>= i>=0, j>=0. A192159

a(n) = Fibonacci(p) mod p², where p = prime(n). A236395

Numbers n such that 3n appears earlier than 2n in A280864. A280755

Numbers n such that 30n-13, 30n-11, 30n-1, 30n+1, 30n+11, 30n+13 are all prime. A175683

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite HEU = Heulandite Ca4[Al8Si28O72].24H2O starting with a T2 atom. A19137

Numbers ending with '3' that are the difference of two positive cubes. A38858

Numbers k such that (229·10^k - 1)/3 is prime. A280272