7 × 11 × 37 × 137

Prime Factor Structure

Factorization String 7 × 11 × 37 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 503,424

Proper Divisor Sum 113,111

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #390307 ← → #390323

1 7 11 37 77 137 259 407 959 1,507 2,849 5,069 10,549 35,483 55,759 390,313

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

390,313 1,170,940 585,470 292,735 878,206 439,103 1,317,310 658,655 1,975,966 987,983 2,963,950 1,481,975 4,445,926 2,222,963 6,668,890 3,334,445 10,003,336 5,001,668 2,500,834 1,250,417 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

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