3 × 5 × 13 × 1993

Prime Factor Structure

Factorization String 3 × 5 × 13 × 1993

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 669,984

Proper Divisor Sum 281,349

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #388621 ← → #388651

1 3 5 13 15 39 65 195 1,993 5,979 9,965 25,909 29,895 77,727 129,545 388,635

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

388,635 1,165,906 582,953 1,748,860 874,430 437,215 1,311,646 655,823 1,967,470 983,735 2,951,206 1,475,603 4,426,810 2,213,405 6,640,216 3,320,108 1,660,054 830,027 2,490,082 1,245,041 3,735,124 1,867,562 933,781 2,801,344 1,400,672 700,336 350,168 175,084 87,542 43,771 131,314 65,657 196,972 98,486 49,243 147,730 73,865 221,596 110,798 55,399 166,198 83,099 249,298 124,649 373,948 186,974 93,487 280,462 140,231 420,694 210,347 631,042 315,521 946,564 473,282 236,641 709,924 354,962 177,481 532,444

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