19 × 37 × 149 × 191

Prime Factor Structure

Factorization String 19 × 37 × 149 × 191

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 21,888,000

Proper Divisor Sum 1,881,323

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #20006663 ← → #20006681

1 19 37 149 191 703 2,831 3,629 5,513 7,067 28,459 104,747 134,273 540,721 1,052,983 20,006,677

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

20,006,677 60,020,032 30,010,016 15,005,008 7,502,504 3,751,252 1,875,626 937,813 2,813,440 1,406,720 703,360 351,680 175,840 87,920 43,960 21,980 10,990 5,495 16,486 8,243 24,730 12,365 37,096 18,548 9,274 4,637 13,912 6,956 3,478 1,739 5,218 2,609 7,828 3,914 1,957 5,872 2,936 1,468 734 367 1,102 551 1,654 827 2,482 1,241 3,724 1,862 931 2,794 1,397 4,192 2,096 1,048 524 262 131 394 197 592

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