3 × 7 × 19 × 2137

Prime Factor Structure

Factorization String 3 × 7 × 19 × 2137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,368,320

Proper Divisor Sum 515,657

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #852661 ← → #852671

1 3 7 19 21 57 133 399 2,137 6,411 14,959 40,603 44,877 121,809 284,221 852,663

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

852,663 2,557,990 1,278,995 3,836,986 1,918,493 5,755,480 2,877,740 1,438,870 719,435 2,158,306 1,079,153 3,237,460 1,618,730 809,365 2,428,096 1,214,048 607,024 303,512 151,756 75,878 37,939 113,818 56,909 170,728 85,364 42,682 21,341 64,024 32,012 16,006 8,003 24,010 12,005 36,016 18,008 9,004 4,502 2,251 6,754 3,377 10,132 5,066 2,533 7,600 3,800 1,900 950 475 1,426 713 2,140 1,070 535 1,606 803 2,410 1,205 3,616 1,808 904

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