2 × 9945137

Prime Factor Structure

Factorization String 2 × 9945137

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 29,835,414

Proper Divisor Sum 9,945,140

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #19890263 ← → #19890281

1 2 9,945,137 19,890,274

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

19,890,274 9,945,137 29,835,412 14,917,706 7,458,853 22,376,560 11,188,280 5,594,140 2,797,070 1,398,535 4,195,606 2,097,803 6,293,410 3,146,705 9,440,116 4,720,058 2,360,029 7,080,088 3,540,044 1,770,022 885,011 2,655,034 1,327,517 3,982,552 1,991,276 995,638 497,819 1,493,458 746,729 2,240,188 1,120,094 560,047 1,680,142 840,071 2,520,214 1,260,107 3,780,322 1,890,161 5,670,484 2,835,242 1,417,621 4,252,864 2,126,432 1,063,216 531,608 265,804 132,902 66,451 199,354 99,677 299,032 149,516 74,758 37,379 112,138 56,069 168,208 84,104 42,052 21,026

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