3 × 7² × 2131

Prime Factor Structure

Factorization String 3 × 7^2 × 2131

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 486,096

Proper Divisor Sum 172,839

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #313249 ← → #313267

1 3 7 21 49 147 2,131 6,393 14,917 44,751 104,419 313,257

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

313,257 939,772 469,886 234,943 704,830 352,415 1,057,246 528,623 1,585,870 792,935 2,378,806 1,189,403 3,568,210 1,784,105 5,352,316 2,676,158 1,338,079 4,014,238 2,007,119 6,021,358 3,010,679 9,032,038 4,516,019 13,548,058 6,774,029 20,322,088 10,161,044 5,080,522 2,540,261 7,620,784 3,810,392 1,905,196 952,598 476,299 1,428,898 714,449 2,143,348 1,071,674 535,837 1,607,512 803,756 401,878 200,939 602,818 301,409 904,228 452,114 226,057 678,172 339,086 169,543 508,630 254,315 762,946 381,473 1,144,420 572,210 286,105 858,316 429,158

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