2 × 5 × 7 × 305479

Prime Factor Structure

Factorization String 2 × 5 × 7 × 305479

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 43,989,120

Proper Divisor Sum 22,605,590

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #21383503 ← → #21383573

1 2 5 7 10 14 35 70 305,479 610,958 1,527,395 2,138,353 3,054,790 4,276,706 10,691,765 21,383,530

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

21,383,530 10,691,765 32,075,296 16,037,648 8,018,824 4,009,412 2,004,706 1,002,353 3,007,060 1,503,530 751,765 2,255,296 1,127,648 563,824 281,912 140,956 70,478 35,239 105,718 52,859 158,578 79,289 237,868 118,934 59,467 178,402 89,201 267,604 133,802 66,901 200,704 100,352 50,176 25,088 12,544 6,272 3,136 1,568 784 392 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20

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