7 × 13 × 17 × 2557

Prime Factor Structure

Factorization String 7 × 13 × 17 × 2557

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,156,928

Proper Divisor Sum 1,201,249

Digit Sum / Digital Root 44 (Root: 8)

Adjacent Primes #3955673 ← → #3955691

1 7 13 17 91 119 221 1,547 2,557 17,899 33,241 43,469 232,687 304,283 565,097 3,955,679

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

3,955,679 11,867,038 5,933,519 17,800,558 8,900,279 26,700,838 13,350,419 40,051,258 20,025,629 60,076,888 30,038,444 15,019,222 7,509,611 22,528,834 11,264,417 33,793,252 16,896,626 8,448,313 25,344,940 12,672,470 6,336,235 19,008,706 9,504,353 28,513,060 14,256,530 7,128,265 21,384,796 10,692,398 5,346,199 16,038,598 8,019,299 24,057,898 12,028,949 36,086,848 18,043,424 9,021,712 4,510,856 2,255,428 1,127,714 563,857 1,691,572 845,786 422,893 1,268,680 634,340 317,170 158,585 475,756 237,878 118,939 356,818 178,409 535,228 267,614 133,807 401,422 200,711 602,134 301,067 903,202

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