3 × 7 × 127 × 421

Prime Factor Structure

Factorization String 3 × 7 × 127 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,728,512

Proper Divisor Sum 605,705

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1122761 ← → #1122811

1 3 7 21 127 381 421 889 1,263 2,667 2,947 8,841 53,467 160,401 374,269 1,122,807

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

1,122,807 3,368,422 1,684,211 5,052,634 2,526,317 7,578,952 3,789,476 1,894,738 947,369 2,842,108 1,421,054 710,527 2,131,582 1,065,791 3,197,374 1,598,687 4,796,062 2,398,031 7,194,094 3,597,047 10,791,142 5,395,571 16,186,714 8,093,357 24,280,072 12,140,036 6,070,018 3,035,009 9,105,028 4,552,514 2,276,257 6,828,772 3,414,386 1,707,193 5,121,580 2,560,790 1,280,395 3,841,186 1,920,593 5,761,780 2,880,890 1,440,445 4,321,336 2,160,668 1,080,334 540,167 1,620,502 810,251 2,430,754 1,215,377 3,646,132 1,823,066 911,533 2,734,600 1,367,300 683,650 341,825 1,025,476 512,738 256,369

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