Properties of the Number 19084

Nineteen Thousand Eighty-Four

Basics

Value: 19083 → 19084 → 19085

Parity: even

Prime: No

Previous Prime: 19081

Next Prime: 19087

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 13 × 367

Divisors: 1, 2, 4, 13, 26, 52, 367, 734, 1468, 4771

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101010001100

Octal: 45214

Duodecimal: B064

Hexadecimal: 4a8c

Square: 364199056

Square Root: 138.144851514633

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 planted trees where non-root, non-leaf nodes an even distance from root are of degree 2. A7562

Numbers n such that Bernoulli number B_n has denominator 1590. A272140

Numbers k which have a factorization k = f1·f2*...*fr where the digits of {k, f1, f2, ..., fr} together give 0,1,...,9 exactly once. A370970

Composite numbers with properties that its digits (which may appear with multiplicity) may not appear in any of its factors (wherein the digits may also appear with multiplicity) and the combined digits of the product and the factors must have at least one of each of the ten digits. A370972

Sum of the even parts in all partitions of n into distinct parts. A116684

a(n) is the number of multisets of n decimal digits where the sum of the digits equals the product of the prime digits. A384445

Numbers k which use half of the ten digits such that they have at least one factorization k=p·q that uses remaining half of the digits that are not in k. A195814

Numbers n = p·q, where n, p, and q together contain all 10 digits at least once. A253172

a(n) = number of distinct solutions to equations 1 +- x +- x² +- ... +- xⁿ = 0 over the complex numbers. A96195

Coordination sequence for MgNi2, Position Mg1. A9936