3 × 19 × 43 × 251

Prime Factor Structure

Factorization String 3 × 19 × 43 × 251

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 887,040

Proper Divisor Sum 271,839

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #615187 ← → #615229

1 3 19 43 57 129 251 753 817 2,451 4,769 10,793 14,307 32,379 205,067 615,201

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

615,201 1,845,604 922,802 461,401 1,384,204 692,102 346,051 1,038,154 519,077 1,557,232 778,616 389,308 194,654 97,327 291,982 145,991 437,974 218,987 656,962 328,481 985,444 492,722 246,361 739,084 369,542 184,771 554,314 277,157 831,472 415,736 207,868 103,934 51,967 155,902 77,951 233,854 116,927 350,782 175,391 526,174 263,087 789,262 394,631 1,183,894 591,947 1,775,842 887,921 2,663,764 1,331,882 665,941 1,997,824 998,912 499,456 249,728 124,864 62,432 31,216 15,608 7,804 3,902

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