3 × 7 × 47 × 1999

Prime Factor Structure

Factorization String 3 × 7 × 47 × 1999

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,072,000

Proper Divisor Sum 1,098,987

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #1973011 ← → #1973021

1 3 7 21 47 141 329 987 1,999 5,997 13,993 41,979 93,953 281,859 657,671 1,973,013

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

1,973,013 5,919,040 2,959,520 1,479,760 739,880 369,940 184,970 92,485 277,456 138,728 69,364 34,682 17,341 52,024 26,012 13,006 6,503 19,510 9,755 29,266 14,633 43,900 21,950 10,975 32,926 16,463 49,390 24,695 74,086 37,043 111,130 55,565 166,696 83,348 41,674 20,837 62,512 31,256 15,628 7,814 3,907 11,722 5,861 17,584 8,792 4,396 2,198 1,099 3,298 1,649 4,948 2,474 1,237 3,712 1,856 928 464 232 116 58

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