2² × 19² × 199

Prime Factor Structure

Factorization String 2^2 × 19^2 × 199

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 533,400

Proper Divisor Sum 246,044

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #287347 ← → #287383

1 2 4 19 38 76 199 361 398 722 796 1,444 3,781 7,562 15,124 71,839 143,678 287,356

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

287,356 143,678 71,839 215,518 107,759 323,278 161,639 484,918 242,459 727,378 363,689 1,091,068 545,534 272,767 818,302 409,151 1,227,454 613,727 1,841,182 920,591 2,761,774 1,380,887 4,142,662 2,071,331 6,213,994 3,106,997 9,320,992 4,660,496 2,330,248 1,165,124 582,562 291,281 873,844 436,922 218,461 655,384 327,692 163,846 81,923 245,770 122,885 368,656 184,328 92,164 46,082 23,041 69,124 34,562 17,281 51,844 25,922 12,961 38,884 19,442 9,721 29,164 14,582 7,291 21,874 10,937

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