19 × 19891

Prime Factor Structure

Factorization String 19 × 19891

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 397,840

Proper Divisor Sum 19,911

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #377911 ← → #377963

1 19 19,891 377,929

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

377,929 1,133,788 566,894 283,447 850,342 425,171 1,275,514 637,757 1,913,272 956,636 478,318 239,159 717,478 358,739 1,076,218 538,109 1,614,328 807,164 403,582 201,791 605,374 302,687 908,062 454,031 1,362,094 681,047 2,043,142 1,021,571 3,064,714 1,532,357 4,597,072 2,298,536 1,149,268 574,634 287,317 861,952 430,976 215,488 107,744 53,872 26,936 13,468 6,734 3,367 10,102 5,051 15,154 7,577 22,732 11,366 5,683 17,050 8,525 25,576 12,788 6,394 3,197 9,592 4,796 2,398

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