3 × 13 × 137 × 311

Prime Factor Structure

Factorization String 3 × 13 × 137 × 311

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,411,136

Proper Divisor Sum 749,463

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #1661669 ← → #1661677

1 3 13 39 137 311 411 933 1,781 4,043 5,343 12,129 42,607 127,821 553,891 1,661,673

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

1,661,673 4,985,020 2,492,510 1,246,255 3,738,766 1,869,383 5,608,150 2,804,075 8,412,226 4,206,113 12,618,340 6,309,170 3,154,585 9,463,756 4,731,878 2,365,939 7,097,818 3,548,909 10,646,728 5,323,364 2,661,682 1,330,841 3,992,524 1,996,262 998,131 2,994,394 1,497,197 4,491,592 2,245,796 1,122,898 561,449 1,684,348 842,174 421,087 1,263,262 631,631 1,894,894 947,447 2,842,342 1,421,171 4,263,514 2,131,757 6,395,272 3,197,636 1,598,818 799,409 2,398,228 1,199,114 599,557 1,798,672 899,336 449,668 224,834 112,417 337,252 168,626 84,313 252,940 126,470 63,235

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