2 × 13 × 821 × 823

Prime Factor Structure

Factorization String 2 × 13 × 821 × 823

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 28,447,776

Proper Divisor Sum 10,880,018

Digit Sum / Digital Root 46 (Root: 1)

Adjacent Primes #17567747 ← → #17567807

1 2 13 26 821 823 1,642 1,646 10,673 10,699 21,346 21,398 675,683 1,351,366 8,783,879 17,567,758

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

17,567,758 8,783,879 26,351,638 13,175,819 39,527,458 19,763,729 59,291,188 29,645,594 14,822,797 44,468,392 22,234,196 11,117,098 5,558,549 16,675,648 8,337,824 4,168,912 2,084,456 1,042,228 521,114 260,557 781,672 390,836 195,418 97,709 293,128 146,564 73,282 36,641 109,924 54,962 27,481 82,444 41,222 20,611 61,834 30,917 92,752 46,376 23,188 11,594 5,797 17,392 8,696 4,348 2,174 1,087 3,262 1,631 4,894 2,447 7,342 3,671 11,014 5,507 16,522 8,261 24,784 12,392 6,196 3,098

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