Properties of the Number 18394

Eighteen Thousand Three Hundred Ninety-Four

Basics

Value: 18393 → 18394 → 18395

Parity: even

Prime: No

Previous Prime: 18379

Next Prime: 18397

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 17 × 541

Divisors: 1, 2, 17, 34, 541, 1082, 9197, 18394

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100011111011010

Octal: 43732

Duodecimal: A78A

Hexadecimal: 47da

Square: 338339236

Square Root: 135.6244815658294

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 integer partitions of n such that (length) <= 2*(median). A362048

Coordination sequence for σ-CrFe, Position Xf. A9958

Numbers k such that the continued fraction for sqrt(k) has period 41. A20380

Number of nX3 binary arrays with no element equal to the sum mod 3 of its horizontal and vertical neighbors. A183365

a(n) = 9·2ⁿ - 3·n - 5. A227712

Number of arrays of maxima of three adjacent elements of some length n+2 0..4 array. A228457

Two-dimensional array read by antidiagonals: T(n,k) = number of arrays of maxima of three adjacent elements of some length n+2 0..k array. A228461

T(n,k)=Number of nXk binary arrays with no element equal to the sum mod 3 of its horizontal and vertical neighbors. A183368

Divisors of 325. A18394