19 × 73 × 137

Prime Factor Structure

Factorization String 19 × 73 × 137

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 204,240

Proper Divisor Sum 14,221

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #189997 ← → #190027

1 19 73 137 1,387 2,603 10,001 190,019

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

190,019 570,058 285,029 855,088 427,544 213,772 106,886 53,443 160,330 80,165 240,496 120,248 60,124 30,062 15,031 45,094 22,547 67,642 33,821 101,464 50,732 25,366 12,683 38,050 19,025 57,076 28,538 14,269 42,808 21,404 10,702 5,351 16,054 8,027 24,082 12,041 36,124 18,062 9,031 27,094 13,547 40,642 20,321 60,964 30,482 15,241 45,724 22,862 11,431 34,294 17,147 51,442 25,721 77,164 38,582 19,291 57,874 28,937 86,812 43,406

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.