3² × 7² × 1489

Prime Factor Structure

Factorization String 3^2 × 7^2 × 1489

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,104,090

Proper Divisor Sum 447,441

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #656609 ← → #656651

1 3 7 9 21 49 63 147 441 1,489 4,467 10,423 13,401 31,269 72,961 93,807 218,883 656,649

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

656,649 1,969,948 984,974 492,487 1,477,462 738,731 2,216,194 1,108,097 3,324,292 1,662,146 831,073 2,493,220 1,246,610 623,305 1,869,916 934,958 467,479 1,402,438 701,219 2,103,658 1,051,829 3,155,488 1,577,744 788,872 394,436 197,218 98,609 295,828 147,914 73,957 221,872 110,936 55,468 27,734 13,867 41,602 20,801 62,404 31,202 15,601 46,804 23,402 11,701 35,104 17,552 8,776 4,388 2,194 1,097 3,292 1,646 823 2,470 1,235 3,706 1,853 5,560 2,780 1,390 695

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