3 × 13 × 17 × 661

Prime Factor Structure

Factorization String 3 × 13 × 17 × 661

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 667,296

Proper Divisor Sum 229,053

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #438241 ← → #438253

1 3 13 17 39 51 221 661 663 1,983 8,593 11,237 25,779 33,711 146,081 438,243

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

438,243 1,314,730 657,365 1,972,096 986,048 493,024 246,512 123,256 61,628 30,814 15,407 46,222 23,111 69,334 34,667 104,002 52,001 156,004 78,002 39,001 117,004 58,502 29,251 87,754 43,877 131,632 65,816 32,908 16,454 8,227 24,682 12,341 37,024 18,512 9,256 4,628 2,314 1,157 3,472 1,736 868 434 217 652 326 163 490 245 736 368 184 92 46 23 70 35 106 53 160 80

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