3 × 7 × 19 × 337

Prime Factor Structure

Factorization String 3 × 7 × 19 × 337

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 216,320

Proper Divisor Sum 81,857

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #134443 ← → #134471

1 3 7 19 21 57 133 337 399 1,011 2,359 6,403 7,077 19,209 44,821 134,463

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

134,463 403,390 201,695 605,086 302,543 907,630 453,815 1,361,446 680,723 2,042,170 1,021,085 3,063,256 1,531,628 765,814 382,907 1,148,722 574,361 1,723,084 861,542 430,771 1,292,314 646,157 1,938,472 969,236 484,618 242,309 726,928 363,464 181,732 90,866 45,433 136,300 68,150 34,075 102,226 51,113 153,340 76,670 38,335 115,006 57,503 172,510 86,255 258,766 129,383 388,150 194,075 582,226 291,113 873,340 436,670 218,335 655,006 327,503 982,510 491,255 1,473,766 736,883 2,210,650 1,105,325

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