19 × 157 × 2161

Prime Factor Structure

Factorization String 19 × 157 × 2161

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 6,831,920

Proper Divisor Sum 385,657

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #6446257 ← → #6446267

1 19 157 2,161 2,983 41,059 339,277 6,446,263

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

6,446,263 19,338,790 9,669,395 29,008,186 14,504,093 43,512,280 21,756,140 10,878,070 5,439,035 16,317,106 8,158,553 24,475,660 12,237,830 6,118,915 18,356,746 9,178,373 27,535,120 13,767,560 6,883,780 3,441,890 1,720,945 5,162,836 2,581,418 1,290,709 3,872,128 1,936,064 968,032 484,016 242,008 121,004 60,502 30,251 90,754 45,377 136,132 68,066 34,033 102,100 51,050 25,525 76,576 38,288 19,144 9,572 4,786 2,393 7,180 3,590 1,795 5,386 2,693 8,080 4,040 2,020 1,010 505 1,516 758 379 1,138

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