Properties of the Number 19393

Nineteen Thousand Three Hundred Ninety-Three

Basics

Value: 19392 → 19393 → 19394

Parity: odd

Prime: No

Previous Prime: 19391

Next Prime: 19403

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 11 × 41 × 43

Divisors: 1, 11, 41, 43, 451, 473, 1763, 19393

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101111000001

Octal: 45701

Duodecimal: B281

Hexadecimal: 4bc1

Square: 376088449

Square Root: 139.2587519691312

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 partitions of n where n divides the product of the parts. A57568

Integers k such that 10^k + 31 is prime. A107083

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303102

4-white numbers: partition digits of n⁴ into blocks of 4 starting at right; sum of these 4-digit numbers equals n. A37044

a(n) = 11·n² + 22·n. A67705

Smallest k>0 such that (5ⁿ-k)*5ⁿ-1 and (5ⁿ-k)*5ⁿ+1 are a twin prime pair or 0 if no such k exists. A212488

a(n) = 12·n⁴ + 16·n³ + 10·n² + 4·n + 1. A272124

Number of n X 6 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303100

Number of 3Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303103

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (0, 1, 0), (1, 0, -1), (1, 0, 1)}. A150162