3 × 7 × 419 × 457

Prime Factor Structure

Factorization String 3 × 7 × 419 × 457

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 6,155,520

Proper Divisor Sum 2,134,377

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #4021099 ← → #4021151

1 3 7 21 419 457 1,257 1,371 2,933 3,199 8,799 9,597 191,483 574,449 1,340,381 4,021,143

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

4,021,143 12,063,430 6,031,715 18,095,146 9,047,573 27,142,720 13,571,360 6,785,680 3,392,840 1,696,420 848,210 424,105 1,272,316 636,158 318,079 954,238 477,119 1,431,358 715,679 2,147,038 1,073,519 3,220,558 1,610,279 4,830,838 2,415,419 7,246,258 3,623,129 10,869,388 5,434,694 2,717,347 8,152,042 4,076,021 12,228,064 6,114,032 3,057,016 1,528,508 764,254 382,127 1,146,382 573,191 1,719,574 859,787 2,579,362 1,289,681 3,869,044 1,934,522 967,261 2,901,784 1,450,892 725,446 362,723 1,088,170 544,085 1,632,256 816,128 408,064 204,032 102,016 51,008 25,504

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