Properties of the Number -28418

Twenty-Eight Thousand Four Hundred Eighteen

Basics

Value: -28419 → -28418 → -28417

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 13 × 1093

Divisors: 1, 2, 13, 26, 1093, 2186, 14209, 28418

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110111100000010

Octal: -67402

Duodecimal: -14542

Hexadecimal: -6f02

Square: 807582724

Square Root: 168.57639217873896

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

Central terms of pendular trinomial triangle A122445. A122447

Restricted permutations. A382

Expansion of e.g.f. ∑_k>=1 (-1)^{k + 1} * log(1 + x)^k / (k * (1 - log(1 + x)^k)). A330388

Numbers k such that the ring of integers of Q(2^1/k) is not Z[2^1/k]. A342390

Triangle read by rows: T(n,k) is the number of nondecreasing Dyck paths of semilength n and having k double rises at an even level (n >= 1, k >= 0). A nondecreasing Dyck path is a Dyck path for which the sequence of the altitudes of the valleys is nondecreasing. A121531

Numbers k that divide 6^k + 4^k. A45591

Number of 2 X n binary arrays with top left value 1 and no two ones adjacent horizontally, diagonally or antidiagonally. A228661

Numbers k such that (3^ord(3, k) - 1)/k is prime, where ord(3, k) is the multiplicative order of 3 (mod k). A297363

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 14. A31602