2 × 21385211

Prime Factor Structure

Factorization String 2 × 21385211

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 64,155,636

Proper Divisor Sum 21,385,214

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #42770407 ← → #42770437

1 2 21,385,211 42,770,422

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

42,770,422 21,385,211 64,155,634 32,077,817 96,233,452 48,116,726 24,058,363 72,175,090 36,087,545 108,262,636 54,131,318 27,065,659 81,196,978 40,598,489 121,795,468 60,897,734 30,448,867 91,346,602 45,673,301 137,019,904 68,509,952 34,254,976 17,127,488 8,563,744 4,281,872 2,140,936 1,070,468 535,234 267,617 802,852 401,426 200,713 602,140 301,070 150,535 451,606 225,803 677,410 338,705 1,016,116 508,058 254,029 762,088 381,044 190,522 95,261 285,784 142,892 71,446 35,723 107,170 53,585 160,756 80,378 40,189 120,568 60,284 30,142 15,071 45,214

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