Properties of the Number 19119

Nineteen Thousand One Hundred Nineteen

Basics

Value: 19118 → 19119 → 19120

Parity: odd

Prime: No

Previous Prime: 19087

Next Prime: 19121

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 6373

Divisors: 1, 3, 6373, 19119

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100101010101111

Octal: 45257

Duodecimal: B093

Hexadecimal: 4aaf

Square: 365536161

Square Root: 138.27147211192914

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

T(n,k)=1/6 the number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock containing one of one value, four of another, and four of the last. A184477

The number of even prime gaps g satisfying g == 2 (mod 6) out of the first 2ⁿ even prime gaps. A341531

Numbers using only digits 1 and 9. A284294

Concatenations x||1||x for numbers x. A392225

Number of edges in the directed graph for the Reversed Zeckendorf game with starting number n. A389617

a(n) gives smallest number requiring n iterations of the map i -> A053392(i) to reach zero. A60630

a(n) = 12·n² - 2·n - 1. A185918

Numbers k such that k and k² use only the digits 1, 3, 5, 6 and 9. A137035

Concatenation of n and a list of the divisors of n. A137464

1/6 the number of (n+2)X4 0..2 arrays with each 3X3 subblock containing one of one value, four of another, and four of the last. A184470