137 × 1571

Prime Factor Structure

Factorization String 137 × 1571

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 216,936

Proper Divisor Sum 1,709

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #215197 ← → #215239

1 137 1,571 215,227

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

215,227 645,682 322,841 968,524 484,262 242,131 726,394 363,197 1,089,592 544,796 272,398 136,199 408,598 204,299 612,898 306,449 919,348 459,674 229,837 689,512 344,756 172,378 86,189 258,568 129,284 64,642 32,321 96,964 48,482 24,241 72,724 36,362 18,181 54,544 27,272 13,636 6,818 3,409 10,228 5,114 2,557 7,672 3,836 1,918 959 2,878 1,439 4,318 2,159 6,478 3,239 9,718 4,859 14,578 7,289 21,868 10,934 5,467 16,402 8,201

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