3 × 5 × 43 × 607

Prime Factor Structure

Factorization String 3 × 5 × 43 × 607

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 642,048

Proper Divisor Sum 250,533

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #391487 ← → #391519

1 3 5 15 43 129 215 607 645 1,821 3,035 9,105 26,101 78,303 130,505 391,515

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

391,515 1,174,546 587,273 1,761,820 880,910 440,455 1,321,366 660,683 1,982,050 991,025 2,973,076 1,486,538 743,269 2,229,808 1,114,904 557,452 278,726 139,363 418,090 209,045 627,136 313,568 156,784 78,392 39,196 19,598 9,799 29,398 14,699 44,098 22,049 66,148 33,074 16,537 49,612 24,806 12,403 37,210 18,605 55,816 27,908 13,954 6,977 20,932 10,466 5,233 15,700 7,850 3,925 11,776 5,888 2,944 1,472 736 368 184 92 46 23 70

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