2 × 21244637

Prime Factor Structure

Factorization String 2 × 21244637

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 63,733,914

Proper Divisor Sum 21,244,640

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #42489259 ← → #42489299

1 2 21,244,637 42,489,274

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

42,489,274 21,244,637 63,733,912 31,866,956 15,933,478 7,966,739 23,900,218 11,950,109 35,850,328 17,925,164 8,962,582 4,481,291 13,443,874 6,721,937 20,165,812 10,082,906 5,041,453 15,124,360 7,562,180 3,781,090 1,890,545 5,671,636 2,835,818 1,417,909 4,253,728 2,126,864 1,063,432 531,716 265,858 132,929 398,788 199,394 99,697 299,092 149,546 74,773 224,320 112,160 56,080 28,040 14,020 7,010 3,505 10,516 5,258 2,629 7,888 3,944 1,972 986 493 1,480 740 370 185 556 278 139 418 209

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