5 × 13 × 19 × 421

Prime Factor Structure

Factorization String 5 × 13 × 19 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 708,960

Proper Divisor Sum 189,025

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #519931 ← → #519943

1 5 13 19 65 95 247 421 1,235 2,105 5,473 7,999 27,365 39,995 103,987 519,935

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

519,935 1,559,806 779,903 2,339,710 1,169,855 3,509,566 1,754,783 5,264,350 2,632,175 7,896,526 3,948,263 11,844,790 5,922,395 17,767,186 8,883,593 26,650,780 13,325,390 6,662,695 19,988,086 9,994,043 29,982,130 14,991,065 44,973,196 22,486,598 11,243,299 33,729,898 16,864,949 50,594,848 25,297,424 12,648,712 6,324,356 3,162,178 1,581,089 4,743,268 2,371,634 1,185,817 3,557,452 1,778,726 889,363 2,668,090 1,334,045 4,002,136 2,001,068 1,000,534 500,267 1,500,802 750,401 2,251,204 1,125,602 562,801 1,688,404 844,202 422,101 1,266,304 633,152 316,576 158,288 79,144 39,572 19,786

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