3 × 7 × 31 × 307

Prime Factor Structure

Factorization String 3 × 7 × 31 × 307

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 315,392

Proper Divisor Sum 115,535

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #199853 ← → #199873

1 3 7 21 31 93 217 307 651 921 2,149 6,447 9,517 28,551 66,619 199,857

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

199,857 599,572 299,786 149,893 449,680 224,840 112,420 56,210 28,105 84,316 42,158 21,079 63,238 31,619 94,858 47,429 142,288 71,144 35,572 17,786 8,893 26,680 13,340 6,670 3,335 10,006 5,003 15,010 7,505 22,516 11,258 5,629 16,888 8,444 4,222 2,111 6,334 3,167 9,502 4,751 14,254 7,127 21,382 10,691 32,074 16,037 48,112 24,056 12,028 6,014 3,007 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227 45,682

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