3 × 109 × 661

Prime Factor Structure

Factorization String 3 × 109 × 661

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 291,280

Proper Divisor Sum 75,133

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #216133 ← → #216149

1 3 109 327 661 1,983 72,049 216,147

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

216,147 648,442 324,221 972,664 486,332 243,166 121,583 364,750 182,375 547,126 273,563 820,690 410,345 1,231,036 615,518 307,759 923,278 461,639 1,384,918 692,459 2,077,378 1,038,689 3,116,068 1,558,034 779,017 2,337,052 1,168,526 584,263 1,752,790 876,395 2,629,186 1,314,593 3,943,780 1,971,890 985,945 2,957,836 1,478,918 739,459 2,218,378 1,109,189 3,327,568 1,663,784 831,892 415,946 207,973 623,920 311,960 155,980 77,990 38,995 116,986 58,493 175,480 87,740 43,870 21,935 65,806 32,903 98,710 49,355

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