3 × 7 × 1018889

Prime Factor Structure

Factorization String 3 × 7 × 1018889

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 32,604,480

Proper Divisor Sum 11,207,811

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #21396667 ← → #21396673

1 3 7 21 1,018,889 3,056,667 7,132,223 21,396,669

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

21,396,669 64,190,008 32,095,004 16,047,502 8,023,751 24,071,254 12,035,627 36,106,882 18,053,441 54,160,324 27,080,162 13,540,081 40,620,244 20,310,122 10,155,061 30,465,184 15,232,592 7,616,296 3,808,148 1,904,074 952,037 2,856,112 1,428,056 714,028 357,014 178,507 535,522 267,761 803,284 401,642 200,821 602,464 301,232 150,616 75,308 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.