Properties of the Number -18674

Eighteen Thousand Six Hundred Seventy-Four

Basics

Value: -18675 → -18674 → -18673

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 9337

Divisors: 1, 2, 9337, 18674

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100100011110010

Octal: -44362

Duodecimal: -A982

Hexadecimal: -48f2

Square: 348718276

Square Root: 136.65284482951682

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: the sum of the coefficients of x^k, k=0..n, in A(x)ⁿ equals ∑_k=0..n C(n,k)³ = A000172(n) (Franel numbers), for n>=0. A232687

Numbers k such that 30·k+{1,7,13,17,19,23,29} are all prime. A100419

Shifts left 2 places under "EFK" (unordered, size, unlabeled) transform. A32307

Numbers k such that there are exactly 7 primes between 30·k and 30·k+30. A385124

Number of perfect matchings on n edges which represent RNA secondary folding structures characterized by the Lyngso and Pedersen (L&P) family and the Cao and Chen (C&C) family. A289834