3 × 7 × 17 × 19

Prime Factor Structure

Factorization String 3 × 7 × 17 × 19

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 11,520

Proper Divisor Sum 4,737

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #6781 ← → #6791

1 3 7 17 19 21 51 57 119 133 323 357 399 969 2,261 6,783

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

6,783 20,350 10,175 30,526 15,263 45,790 22,895 68,686 34,343 103,030 51,515 154,546 77,273 231,820 115,910 57,955 173,866 86,933 260,800 130,400 65,200 32,600 16,300 8,150 4,075 12,226 6,113 18,340 9,170 4,585 13,756 6,878 3,439 10,318 5,159 15,478 7,739 23,218 11,609 34,828 17,414 8,707 26,122 13,061 39,184 19,592 9,796 4,898 2,449 7,348 3,674 1,837 5,512 2,756 1,378 689 2,068 1,034 517 1,552

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