3 × 13 × 67 × 251

Prime Factor Structure

Factorization String 3 × 13 × 67 × 251

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 959,616

Proper Divisor Sum 303,753

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #655859 ← → #655883

1 3 13 39 67 201 251 753 871 2,613 3,263 9,789 16,817 50,451 218,621 655,863

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

655,863 1,967,590 983,795 2,951,386 1,475,693 4,427,080 2,213,540 1,106,770 553,385 1,660,156 830,078 415,039 1,245,118 622,559 1,867,678 933,839 2,801,518 1,400,759 4,202,278 2,101,139 6,303,418 3,151,709 9,455,128 4,727,564 2,363,782 1,181,891 3,545,674 1,772,837 5,318,512 2,659,256 1,329,628 664,814 332,407 997,222 498,611 1,495,834 747,917 2,243,752 1,121,876 560,938 280,469 841,408 420,704 210,352 105,176 52,588 26,294 13,147 39,442 19,721 59,164 29,582 14,791 44,374 22,187 66,562 33,281 99,844 49,922 24,961

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