3 × 7 × 11 × 857

Prime Factor Structure

Factorization String 3 × 7 × 11 × 857

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 329,472

Proper Divisor Sum 131,505

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #197963 ← → #197969

1 3 7 11 21 33 77 231 857 2,571 5,999 9,427 17,997 28,281 65,989 197,967

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

197,967 593,902 296,951 890,854 445,427 1,336,282 668,141 2,004,424 1,002,212 501,106 250,553 751,660 375,830 187,915 563,746 281,873 845,620 422,810 211,405 634,216 317,108 158,554 79,277 237,832 118,916 59,458 29,729 89,188 44,594 22,297 66,892 33,446 16,723 50,170 25,085 75,256 37,628 18,814 9,407 28,222 14,111 42,334 21,167 63,502 31,751 95,254 47,627 142,882 71,441 214,324 107,162 53,581 160,744 80,372 40,186 20,093 60,280 30,140 15,070 7,535

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