3 × 7 × 729991

Prime Factor Structure

Factorization String 3 × 7 × 729991

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 23,359,744

Proper Divisor Sum 8,029,933

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #15329807 ← → #15329813

1 3 7 21 729,991 2,189,973 5,109,937 15,329,811

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

15,329,811 45,989,434 22,994,717 68,984,152 34,492,076 17,246,038 8,623,019 25,869,058 12,934,529 38,803,588 19,401,794 9,700,897 29,102,692 14,551,346 7,275,673 21,827,020 10,913,510 5,456,755 16,370,266 8,185,133 24,555,400 12,277,700 6,138,850 3,069,425 9,208,276 4,604,138 2,302,069 6,906,208 3,453,104 1,726,552 863,276 431,638 215,819 647,458 323,729 971,188 485,594 242,797 728,392 364,196 182,098 91,049 273,148 136,574 68,287 204,862 102,431 307,294 153,647 460,942 230,471 691,414 345,707 1,037,122 518,561 1,555,684 777,842 388,921 1,166,764 583,382

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