3 × 13 × 19 × 1531

Prime Factor Structure

Factorization String 3 × 13 × 19 × 1531

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,715,840

Proper Divisor Sum 581,369

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1134467 ← → #1134479

1 3 13 19 39 57 247 741 1,531 4,593 19,903 29,089 59,709 87,267 378,157 1,134,471

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

1,134,471 3,403,414 1,701,707 5,105,122 2,552,561 7,657,684 3,828,842 1,914,421 5,743,264 2,871,632 1,435,816 717,908 358,954 179,477 538,432 269,216 134,608 67,304 33,652 16,826 8,413 25,240 12,620 6,310 3,155 9,466 4,733 14,200 7,100 3,550 1,775 5,326 2,663 7,990 3,995 11,986 5,993 17,980 8,990 4,495 13,486 6,743 20,230 10,115 30,346 15,173 45,520 22,760 11,380 5,690 2,845 8,536 4,268 2,134 1,067 3,202 1,601 4,804 2,402 1,201

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