2 × 3 × 17 × 21557

Prime Factor Structure

Factorization String 2 × 3 × 17 × 21557

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,656,528

Proper Divisor Sum 2,457,714

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #2198783 ← → #2198827

1 2 3 6 17 34 51 102 21,557 43,114 64,671 129,342 366,469 732,938 1,099,407 2,198,814

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

2,198,814 1,099,407 3,298,222 1,649,111 4,947,334 2,473,667 7,421,002 3,710,501 11,131,504 5,565,752 2,782,876 1,391,438 695,719 2,087,158 1,043,579 3,130,738 1,565,369 4,696,108 2,348,054 1,174,027 3,522,082 1,761,041 5,283,124 2,641,562 1,320,781 3,962,344 1,981,172 990,586 495,293 1,485,880 742,940 371,470 185,735 557,206 278,603 835,810 417,905 1,253,716 626,858 313,429 940,288 470,144 235,072 117,536 58,768 29,384 14,692 7,346 3,673 11,020 5,510 2,755 8,266 4,133 12,400 6,200 3,100 1,550 775 2,326

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