3 × 251 × 521

Prime Factor Structure

Factorization String 3 × 251 × 521

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 526,176

Proper Divisor Sum 133,863

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #392299 ← → #392321

1 3 251 521 753 1,563 130,771 392,313

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

392,313 1,176,940 588,470 294,235 882,706 441,353 1,324,060 662,030 331,015 993,046 496,523 1,489,570 744,785 2,234,356 1,117,178 558,589 1,675,768 837,884 418,942 209,471 628,414 314,207 942,622 471,311 1,413,934 706,967 2,120,902 1,060,451 3,181,354 1,590,677 4,772,032 2,386,016 1,193,008 596,504 298,252 149,126 74,563 223,690 111,845 335,536 167,768 83,884 41,942 20,971 62,914 31,457 94,372 47,186 23,593 70,780 35,390 17,695 53,086 26,543 79,630 39,815 119,446 59,723 179,170 89,585

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