3 × 7 × 97 × 421

Prime Factor Structure

Factorization String 3 × 7 × 97 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,323,392

Proper Divisor Sum 465,815

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #857573 ← → #857579

1 3 7 21 97 291 421 679 1,263 2,037 2,947 8,841 40,837 122,511 285,859 857,577

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

857,577 2,572,732 1,286,366 643,183 1,929,550 964,775 2,894,326 1,447,163 4,341,490 2,170,745 6,512,236 3,256,118 1,628,059 4,884,178 2,442,089 7,326,268 3,663,134 1,831,567 5,494,702 2,747,351 8,242,054 4,121,027 12,363,082 6,181,541 18,544,624 9,272,312 4,636,156 2,318,078 1,159,039 3,477,118 1,738,559 5,215,678 2,607,839 7,823,518 3,911,759 11,735,278 5,867,639 17,602,918 8,801,459 26,404,378 13,202,189 39,606,568 19,803,284 9,901,642 4,950,821 14,852,464 7,426,232 3,713,116 1,856,558 928,279 2,784,838 1,392,419 4,177,258 2,088,629 6,265,888 3,132,944 1,566,472 783,236 391,618 195,809

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