3 × 7 × 127 × 1999

Prime Factor Structure

Factorization String 3 × 7 × 127 × 1999

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 8,192,000

Proper Divisor Sum 2,860,667

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #5331317 ← → #5331371

1 3 7 21 127 381 889 1,999 2,667 5,997 13,993 41,979 253,873 761,619 1,777,111 5,331,333

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

5,331,333 15,994,000 7,997,000 3,998,500 1,999,250 999,625 2,998,876 1,499,438 749,719 2,249,158 1,124,579 3,373,738 1,686,869 5,060,608 2,530,304 1,265,152 632,576 316,288 158,144 79,072 39,536 19,768 9,884 4,942 2,471 7,414 3,707 11,122 5,561 16,684 8,342 4,171 12,514 6,257 18,772 9,386 4,693 14,080 7,040 3,520 1,760 880 440 220 110 55 166 83 250 125 376 188 94 47 142 71 214 107 322 161

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