7² × 19 × 1999

Prime Factor Structure

Factorization String 7^2 × 19 × 1999

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,280,000

Proper Divisor Sum 418,931

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1861061 ← → #1861081

1 7 19 49 133 931 1,999 13,993 37,981 97,951 265,867 1,861,069

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

1,861,069 5,583,208 2,791,604 1,395,802 697,901 2,093,704 1,046,852 523,426 261,713 785,140 392,570 196,285 588,856 294,428 147,214 73,607 220,822 110,411 331,234 165,617 496,852 248,426 124,213 372,640 186,320 93,160 46,580 23,290 11,645 34,936 17,468 8,734 4,367 13,102 6,551 19,654 9,827 29,482 14,741 44,224 22,112 11,056 5,528 2,764 1,382 691 2,074 1,037 3,112 1,556 778 389 1,168 584 292 146 73 220 110 55

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