3² × 7 × 21377

Prime Factor Structure

Factorization String 3^2 × 7 × 21377

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,223,312

Proper Divisor Sum 876,561

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #1346747 ← → #1346753

1 3 7 9 21 63 21,377 64,131 149,639 192,393 448,917 1,346,751

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

1,346,751 4,040,254 2,020,127 6,060,382 3,030,191 9,090,574 4,545,287 13,635,862 6,817,931 20,453,794 10,226,897 30,680,692 15,340,346 7,670,173 23,010,520 11,505,260 5,752,630 2,876,315 8,628,946 4,314,473 12,943,420 6,471,710 3,235,855 9,707,566 4,853,783 14,561,350 7,280,675 21,842,026 10,921,013 32,763,040 16,381,520 8,190,760 4,095,380 2,047,690 1,023,845 3,071,536 1,535,768 767,884 383,942 191,971 575,914 287,957 863,872 431,936 215,968 107,984 53,992 26,996 13,498 6,749 20,248 10,124 5,062 2,531 7,594 3,797 11,392 5,696 2,848 1,424

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