7 × 11 × 61 × 257

Prime Factor Structure

Factorization String 7 × 11 × 61 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,535,616

Proper Divisor Sum 328,487

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #1207123 ← → #1207133

1 7 11 61 77 257 427 671 1,799 2,827 4,697 15,677 19,789 109,739 172,447 1,207,129

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

1,207,129 3,621,388 1,810,694 905,347 2,716,042 1,358,021 4,074,064 2,037,032 1,018,516 509,258 254,629 763,888 381,944 190,972 95,486 47,743 143,230 71,615 214,846 107,423 322,270 161,135 483,406 241,703 725,110 362,555 1,087,666 543,833 1,631,500 815,750 407,875 1,223,626 611,813 1,835,440 917,720 458,860 229,430 114,715 344,146 172,073 516,220 258,110 129,055 387,166 193,583 580,750 290,375 871,126 435,563 1,306,690 653,345 1,960,036 980,018 490,009 1,470,028 735,014 367,507 1,102,522 551,261 1,653,784

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