257 × 16691

Prime Factor Structure

Factorization String 257 × 16691

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,306,536

Proper Divisor Sum 16,949

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #4289539 ← → #4289599

1 257 16,691 4,289,587

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

4,289,587 12,868,762 6,434,381 19,303,144 9,651,572 4,825,786 2,412,893 7,238,680 3,619,340 1,809,670 904,835 2,714,506 1,357,253 4,071,760 2,035,880 1,017,940 508,970 254,485 763,456 381,728 190,864 95,432 47,716 23,858 11,929 35,788 17,894 8,947 26,842 13,421 40,264 20,132 10,066 5,033 15,100 7,550 3,775 11,326 5,663 16,990 8,495 25,486 12,743 38,230 19,115 57,346 28,673 86,020 43,010 21,505 64,516 32,258 16,129 48,388 24,194 12,097 36,292 18,146 9,073 27,220

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