7 × 11 × 19 × 11981

Prime Factor Structure

Factorization String 7 × 11 × 19 × 11981

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 23,005,440

Proper Divisor Sum 5,477,237

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #17528201 ← → #17528243

1 7 11 19 77 133 209 1,463 11,981 83,867 131,791 227,639 922,537 1,593,473 2,504,029 17,528,203

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

17,528,203 52,584,610 26,292,305 78,876,916 39,438,458 19,719,229 59,157,688 29,578,844 14,789,422 7,394,711 22,184,134 11,092,067 33,276,202 16,638,101 49,914,304 24,957,152 12,478,576 6,239,288 3,119,644 1,559,822 779,911 2,339,734 1,169,867 3,509,602 1,754,801 5,264,404 2,632,202 1,316,101 3,948,304 1,974,152 987,076 493,538 246,769 740,308 370,154 185,077 555,232 277,616 138,808 69,404 34,702 17,351 52,054 26,027 78,082 39,041 117,124 58,562 29,281 87,844 43,922 21,961 65,884 32,942 16,471 49,414 24,707 74,122 37,061 111,184

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