3 × 5 × 13 × 113 × 971

Prime Factor Structure

Factorization String 3 × 5 × 13 × 113 × 971

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 37,231,488

Proper Divisor Sum 15,835,503

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #21395963 ← → #21395987

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

21,395,985 64,187,956 32,093,978 16,046,989 48,140,968 24,070,484 12,035,242 6,017,621 18,052,864 9,026,432 4,513,216 2,256,608 1,128,304 564,152 282,076 141,038 70,519 211,558 105,779 317,338 158,669 476,008 238,004 119,002 59,501 178,504 89,252 44,626 22,313 66,940 33,470 16,735 50,206 25,103 75,310 37,655 112,966 56,483 169,450 84,725 254,176 127,088 63,544 31,772 15,886 7,943 23,830 11,915 35,746 17,873 53,620 26,810 13,405 40,216 20,108 10,054 5,027 15,082 7,541 22,624

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