7 × 11 × 13 × 1997

Prime Factor Structure

Factorization String 7 × 11 × 13 × 1997

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,685,312

Proper Divisor Sum 686,315

Digit Sum / Digital Root 52 (Root: 7)

Adjacent Primes #1998991 ← → #1999007

1 7 11 13 77 91 143 1,001 1,997 13,979 21,967 25,961 153,769 181,727 285,571 1,998,997

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

1,998,997 5,996,992 2,998,496 1,499,248 749,624 374,812 187,406 93,703 281,110 140,555 421,666 210,833 632,500 316,250 158,125 474,376 237,188 118,594 59,297 177,892 88,946 44,473 133,420 66,710 33,355 100,066 50,033 150,100 75,050 37,525 112,576 56,288 28,144 14,072 7,036 3,518 1,759 5,278 2,639 7,918 3,959 11,878 5,939 17,818 8,909 26,728 13,364 6,682 3,341 10,024 5,012 2,506 1,253 3,760 1,880 940 470 235 706 353

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