13 × 19 × 81749

Prime Factor Structure

Factorization String 13 × 19 × 81749

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 22,890,000

Proper Divisor Sum 2,697,997

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #20191987 ← → #20192023

1 13 19 247 81,749 1,062,737 1,553,231 20,192,003

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

20,192,003 60,576,010 30,288,005 90,864,016 45,432,008 22,716,004 11,358,002 5,679,001 17,037,004 8,518,502 4,259,251 12,777,754 6,388,877 19,166,632 9,583,316 4,791,658 2,395,829 7,187,488 3,593,744 1,796,872 898,436 449,218 224,609 673,828 336,914 168,457 505,372 252,686 126,343 379,030 189,515 568,546 284,273 852,820 426,410 213,205 639,616 319,808 159,904 79,952 39,976 19,988 9,994 4,997 14,992 7,496 3,748 1,874 937 2,812 1,406 703 2,110 1,055 3,166 1,583 4,750 2,375 7,126 3,563

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