3 × 7 × 13 × 1447

Prime Factor Structure

Factorization String 3 × 7 × 13 × 1447

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 648,704

Proper Divisor Sum 253,673

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #395027 ← → #395039

1 3 7 13 21 39 91 273 1,447 4,341 10,129 18,811 30,387 56,433 131,677 395,031

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

395,031 1,185,094 592,547 1,777,642 888,821 2,666,464 1,333,232 666,616 333,308 166,654 83,327 249,982 124,991 374,974 187,487 562,462 281,231 843,694 421,847 1,265,542 632,771 1,898,314 949,157 2,847,472 1,423,736 711,868 355,934 177,967 533,902 266,951 800,854 400,427 1,201,282 600,641 1,801,924 900,962 450,481 1,351,444 675,722 337,861 1,013,584 506,792 253,396 126,698 63,349 190,048 95,024 47,512 23,756 11,878 5,939 17,818 8,909 26,728 13,364 6,682 3,341 10,024 5,012 2,506

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