Properties of the Number 18494

Eighteen Thousand Four Hundred Ninety-Four

Basics

Value: 18493 → 18494 → 18495

Parity: even

Prime: No

Previous Prime: 18493

Next Prime: 18503

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 × 1321

Divisors: 1, 2, 7, 14, 1321, 2642, 9247, 18494

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100100000111110

Octal: 44076

Duodecimal: A852

Hexadecimal: 483e

Square: 342028036

Square Root: 135.99264686004167

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

Number of ways of writing n as a sum of 7 squares. A8451

Numbers k such that absolute value of 9^k - k⁹ is prime. A128449

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals: A(n,k) = [x^n²] theta₃(x)^k, where theta₃() is the Jacobi θ function. A302996

Expansion of (-1 + ∏_k>=1 1 / (1 + (-x)^k))⁶. A341245

Sum of the smallest parts in the partitions of n into 8 parts. A308990

Number of partitions of n in which any two parts differ by at most 8. A218510

θ series of D₇ lattice. A8429

Row sums of triangle A129503. A129504

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + n·b(n), where a(0) = 2, a(1) = 3, b(0) = 1, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A296296

Number of ways of writing n² as a sum of seven squares. A361695