5 × 7² × 2621

Prime Factor Structure

Factorization String 5 × 7^2 × 2621

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 896,724

Proper Divisor Sum 254,579

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #642133 ← → #642149

1 5 7 35 49 245 2,621 13,105 18,347 91,735 128,429 642,145

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

642,145 1,926,436 963,218 481,609 1,444,828 722,414 361,207 1,083,622 541,811 1,625,434 812,717 2,438,152 1,219,076 609,538 304,769 914,308 457,154 228,577 685,732 342,866 171,433 514,300 257,150 128,575 385,726 192,863 578,590 289,295 867,886 433,943 1,301,830 650,915 1,952,746 976,373 2,929,120 1,464,560 732,280 366,140 183,070 91,535 274,606 137,303 411,910 205,955 617,866 308,933 926,800 463,400 231,700 115,850 57,925 173,776 86,888 43,444 21,722 10,861 32,584 16,292 8,146 4,073

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