3 × 5 × 67 × 20809

Prime Factor Structure

Factorization String 3 × 5 × 67 × 20809

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 33,961,920

Proper Divisor Sum 13,048,875

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #20913037 ← → #20913059

1 3 5 15 67 201 335 1,005 20,809 62,427 104,045 312,135 1,394,203 4,182,609 6,971,015 20,913,045

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

20,913,045 62,739,136 31,369,568 15,684,784 7,842,392 3,921,196 1,960,598 980,299 2,940,898 1,470,449 4,411,348 2,205,674 1,102,837 3,308,512 1,654,256 827,128 413,564 206,782 103,391 310,174 155,087 465,262 232,631 697,894 348,947 1,046,842 523,421 1,570,264 785,132 392,566 196,283 588,850 294,425 883,276 441,638 220,819 662,458 331,229 993,688 496,844 248,422 124,211 372,634 186,317 558,952 279,476 139,738 69,869 209,608 104,804 52,402 26,201 78,604 39,302 19,651 58,954 29,477 88,432 44,216 22,108

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