3 × 5 × 7 × 19121

Prime Factor Structure

Factorization String 3 × 5 × 7 × 19121

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,671,424

Proper Divisor Sum 1,663,719

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #2007703 ← → #2007721

1 3 5 7 15 21 35 105 19,121 57,363 95,605 133,847 286,815 401,541 669,235 2,007,705

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

2,007,705 6,023,116 3,011,558 1,505,779 4,517,338 2,258,669 6,776,008 3,388,004 1,694,002 847,001 2,541,004 1,270,502 635,251 1,905,754 952,877 2,858,632 1,429,316 714,658 357,329 1,071,988 535,994 267,997 803,992 401,996 200,998 100,499 301,498 150,749 452,248 226,124 113,062 56,531 169,594 84,797 254,392 127,196 63,598 31,799 95,398 47,699 143,098 71,549 214,648 107,324 53,662 26,831 80,494 40,247 120,742 60,371 181,114 90,557 271,672 135,836 67,918 33,959 101,878 50,939 152,818 76,409

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