3 × 19 × 47 × 7187

Prime Factor Structure

Factorization String 3 × 19 × 47 × 7187

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 27,601,920

Proper Divisor Sum 8,347,947

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #19253963 ← → #19253977

1 3 19 47 57 141 893 2,679 7,187 21,561 136,553 337,789 409,659 1,013,367 6,417,991 19,253,973

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

19,253,973 57,761,920 28,880,960 14,440,480 7,220,240 3,610,120 1,805,060 902,530 451,265 1,353,796 676,898 338,449 1,015,348 507,674 253,837 761,512 380,756 190,378 95,189 285,568 142,784 71,392 35,696 17,848 8,924 4,462 2,231 6,694 3,347 10,042 5,021 15,064 7,532 3,766 1,883 5,650 2,825 8,476 4,238 2,119 6,358 3,179 9,538 4,769 14,308 7,154 3,577 10,732 5,366 2,683 8,050 4,025 12,076 6,038 3,019 9,058 4,529 13,588 6,794 3,397

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