3 × 19 × 3821

Prime Factor Structure

Factorization String 3 × 19 × 3821

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 305,760

Proper Divisor Sum 87,963

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #217793 ← → #217823

1 3 19 57 3,821 11,463 72,599 217,797

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

217,797 653,392 326,696 163,348 81,674 40,837 122,512 61,256 30,628 15,314 7,657 22,972 11,486 5,743 17,230 8,615 25,846 12,923 38,770 19,385 58,156 29,078 14,539 43,618 21,809 65,428 32,714 16,357 49,072 24,536 12,268 6,134 3,067 9,202 4,601 13,804 6,902 3,451 10,354 5,177 15,532 7,766 3,883 11,650 5,825 17,476 8,738 4,369 13,108 6,554 3,277 9,832 4,916 2,458 1,229 3,688 1,844 922 461 1,384

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