3 × 7061917

Prime Factor Structure

Factorization String 3 × 7061917

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 28,247,672

Proper Divisor Sum 7,061,921

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #21185729 ← → #21185771

1 3 7,061,917 21,185,751

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

21,185,751 63,557,254 31,778,627 95,335,882 47,667,941 143,003,824 71,501,912 35,750,956 17,875,478 8,937,739 26,813,218 13,406,609 40,219,828 20,109,914 10,054,957 30,164,872 15,082,436 7,541,218 3,770,609 11,311,828 5,655,914 2,827,957 8,483,872 4,241,936 2,120,968 1,060,484 530,242 265,121 795,364 397,682 198,841 596,524 298,262 149,131 447,394 223,697 671,092 335,546 167,773 503,320 251,660 125,830 62,915 188,746 94,373 283,120 141,560 70,780 35,390 17,695 53,086 26,543 79,630 39,815 119,446 59,723 179,170 89,585 268,756 134,378

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