3² × 23 × 19421

Prime Factor Structure

Factorization String 3^2 × 23 × 19421

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 6,059,664

Proper Divisor Sum 2,039,517

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #4020139 ← → #4020151

1 3 9 23 69 207 19,421 58,263 174,789 446,683 1,340,049 4,020,147

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

4,020,147 12,060,442 6,030,221 18,090,664 9,045,332 4,522,666 2,261,333 6,784,000 3,392,000 1,696,000 848,000 424,000 212,000 106,000 53,000 26,500 13,250 6,625 19,876 9,938 4,969 14,908 7,454 3,727 11,182 5,591 16,774 8,387 25,162 12,581 37,744 18,872 9,436 4,718 2,359 7,078 3,539 10,618 5,309 15,928 7,964 3,982 1,991 5,974 2,987 8,962 4,481 13,444 6,722 3,361 10,084 5,042 2,521 7,564 3,782 1,891 5,674 2,837 8,512 4,256

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