521 × 3191

Prime Factor Structure

Factorization String 521 × 3191

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,666,224

Proper Divisor Sum 3,713

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #1662503 ← → #1662517

1 521 3,191 1,662,511

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

1,662,511 4,987,534 2,493,767 7,481,302 3,740,651 11,221,954 5,610,977 16,832,932 8,416,466 4,208,233 12,624,700 6,312,350 3,156,175 9,468,526 4,734,263 14,202,790 7,101,395 21,304,186 10,652,093 31,956,280 15,978,140 7,989,070 3,994,535 11,983,606 5,991,803 17,975,410 8,987,705 26,963,116 13,481,558 6,740,779 20,222,338 10,111,169 30,333,508 15,166,754 7,583,377 22,750,132 11,375,066 5,687,533 17,062,600 8,531,300 4,265,650 2,132,825 6,398,476 3,199,238 1,599,619 4,798,858 2,399,429 7,198,288 3,599,144 1,799,572 899,786 449,893 1,349,680 674,840 337,420 168,710 84,355 253,066 126,533 379,600

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