3 × 13 × 67 × 199

Prime Factor Structure

Factorization String 3 × 13 × 67 × 199

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 761,600

Proper Divisor Sum 241,613

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #519971 ← → #519989

1 3 13 39 67 199 201 597 871 2,587 2,613 7,761 13,333 39,999 173,329 519,987

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

519,987 1,559,962 779,981 2,339,944 1,169,972 584,986 292,493 877,480 438,740 219,370 109,685 329,056 164,528 82,264 41,132 20,566 10,283 30,850 15,425 46,276 23,138 11,569 34,708 17,354 8,677 26,032 13,016 6,508 3,254 1,627 4,882 2,441 7,324 3,662 1,831 5,494 2,747 8,242 4,121 12,364 6,182 3,091 9,274 4,637 13,912 6,956 3,478 1,739 5,218 2,609 7,828 3,914 1,957 5,872 2,936 1,468 734 367 1,102 551

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