7 × 31 × 103 × 941

Prime Factor Structure

Factorization String 7 × 31 × 103 × 941

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 25,079,808

Proper Divisor Sum 4,047,517

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #21032287 ← → #21032293

1 7 31 103 217 721 941 3,193 6,587 22,351 29,171 96,923 204,197 678,461 3,004,613 21,032,291

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

21,032,291 63,096,874 31,548,437 94,645,312 47,322,656 23,661,328 11,830,664 5,915,332 2,957,666 1,478,833 4,436,500 2,218,250 1,109,125 3,327,376 1,663,688 831,844 415,922 207,961 623,884 311,942 155,971 467,914 233,957 701,872 350,936 175,468 87,734 43,867 131,602 65,801 197,404 98,702 49,351 148,054 74,027 222,082 111,041 333,124 166,562 83,281 249,844 124,922 62,461 187,384 93,692 46,846 23,423 70,270 35,135 105,406 52,703 158,110 79,055 237,166 118,583 355,750 177,875 533,626 266,813 800,440

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