3 × 19 × 257 × 419

Prime Factor Structure

Factorization String 3 × 19 × 257 × 419

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 8,668,800

Proper Divisor Sum 2,530,869

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #6137917 ← → #6137951

1 3 19 57 257 419 771 1,257 4,883 7,961 14,649 23,883 107,683 323,049 2,045,977 6,137,931

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

6,137,931 18,413,794 9,206,897 27,620,692 13,810,346 6,905,173 20,715,520 10,357,760 5,178,880 2,589,440 1,294,720 647,360 323,680 161,840 80,920 40,460 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 3,604 1,802 901 2,704 1,352 676 338 169 508 254 127 382 191 574 287 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093

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