3 × 5 × 11 × 31 × 47 × 89

Prime Factor Structure

Factorization String 3 × 5 × 11 × 31 × 47 × 89

Distinct Prime Factors 6

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 64

Divisor Sum (σ) 39,813,120

Proper Divisor Sum 18,417,075

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #21396043 ← → #21396059

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

21,396,045 64,188,136 32,094,068 16,047,034 8,023,517 24,070,552 12,035,276 6,017,638 3,008,819 9,026,458 4,513,229 13,539,688 6,769,844 3,384,922 1,692,461 5,077,384 2,538,692 1,269,346 634,673 1,904,020 952,010 476,005 1,428,016 714,008 357,004 178,502 89,251 267,754 133,877 401,632 200,816 100,408 50,204 25,102 12,551 37,654 18,827 56,482 28,241 84,724 42,362 21,181 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.