3 × 7 × 199 × 1987

Prime Factor Structure

Factorization String 3 × 7 × 199 × 1987

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 12,723,200

Proper Divisor Sum 4,419,527

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #8303653 ← → #8303681

1 3 7 21 199 597 1,393 1,987 4,179 5,961 13,909 41,727 395,413 1,186,239 2,767,891 8,303,673

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

8,303,673 24,911,020 12,455,510 6,227,755 18,683,266 9,341,633 28,024,900 14,012,450 7,006,225 21,018,676 10,509,338 5,254,669 15,764,008 7,882,004 3,941,002 1,970,501 5,911,504 2,955,752 1,477,876 738,938 369,469 1,108,408 554,204 277,102 138,551 415,654 207,827 623,482 311,741 935,224 467,612 233,806 116,903 350,710 175,355 526,066 263,033 789,100 394,550 197,275 591,826 295,913 887,740 443,870 221,935 665,806 332,903 998,710 499,355 1,498,066 749,033 2,247,100 1,123,550 561,775 1,685,326 842,663 2,527,990 1,263,995 3,791,986 1,895,993

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