521 × 1811

Prime Factor Structure

Factorization String 521 × 1811

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 945,864

Proper Divisor Sum 2,333

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #943511 ← → #943541

1 521 1,811 943,531

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

943,531 2,830,594 1,415,297 4,245,892 2,122,946 1,061,473 3,184,420 1,592,210 796,105 2,388,316 1,194,158 597,079 1,791,238 895,619 2,686,858 1,343,429 4,030,288 2,015,144 1,007,572 503,786 251,893 755,680 377,840 188,920 94,460 47,230 23,615 70,846 35,423 106,270 53,135 159,406 79,703 239,110 119,555 358,666 179,333 538,000 269,000 134,500 67,250 33,625 100,876 50,438 25,219 75,658 37,829 113,488 56,744 28,372 14,186 7,093 21,280 10,640 5,320 2,660 1,330 665 1,996 998

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