7 × 13 × 41 × 641

Prime Factor Structure

Factorization String 7 × 13 × 41 × 641

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,019,968

Proper Divisor Sum 628,397

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #2391559 ← → #2391583

1 7 13 41 91 287 533 641 3,731 4,487 8,333 26,281 58,331 183,967 341,653 2,391,571

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

2,391,571 7,174,714 3,587,357 10,762,072 5,381,036 2,690,518 1,345,259 4,035,778 2,017,889 6,053,668 3,026,834 1,513,417 4,540,252 2,270,126 1,135,063 3,405,190 1,702,595 5,107,786 2,553,893 7,661,680 3,830,840 1,915,420 957,710 478,855 1,436,566 718,283 2,154,850 1,077,425 3,232,276 1,616,138 808,069 2,424,208 1,212,104 606,052 303,026 151,513 454,540 227,270 113,635 340,906 170,453 511,360 255,680 127,840 63,920 31,960 15,980 7,990 3,995 11,986 5,993 17,980 8,990 4,495 13,486 6,743 20,230 10,115 30,346 15,173

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