3 × 7 × 157 × 199

Prime Factor Structure

Factorization String 3 × 7 × 157 × 199

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,011,200

Proper Divisor Sum 355,097

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #656077 ← → #656113

1 3 7 21 157 199 471 597 1,099 1,393 3,297 4,179 31,243 93,729 218,701 656,103

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

656,103 1,968,310 984,155 2,952,466 1,476,233 4,428,700 2,214,350 1,107,175 3,321,526 1,660,763 4,982,290 2,491,145 7,473,436 3,736,718 1,868,359 5,605,078 2,802,539 8,407,618 4,203,809 12,611,428 6,305,714 3,152,857 9,458,572 4,729,286 2,364,643 7,093,930 3,546,965 10,640,896 5,320,448 2,660,224 1,330,112 665,056 332,528 166,264 83,132 41,566 20,783 62,350 31,175 93,526 46,763 140,290 70,145 210,436 105,218 52,609 157,828 78,914 39,457 118,372 59,186 29,593 88,780 44,390 22,195 66,586 33,293 99,880 49,940 24,970

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