5 × 643 × 661

Prime Factor Structure

Factorization String 5 × 643 × 661

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,557,968

Proper Divisor Sum 432,853

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #2125111 ← → #2125147

1 5 643 661 3,215 3,305 425,023 2,125,115

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

2,125,115 6,375,346 3,187,673 9,563,020 4,781,510 2,390,755 7,172,266 3,586,133 10,758,400 5,379,200 2,689,600 1,344,800 672,400 336,200 168,100 84,050 42,025 126,076 63,038 31,519 94,558 47,279 141,838 70,919 212,758 106,379 319,138 159,569 478,708 239,354 119,677 359,032 179,516 89,758 44,879 134,638 67,319 201,958 100,979 302,938 151,469 454,408 227,204 113,602 56,801 170,404 85,202 42,601 127,804 63,902 31,951 95,854 47,927 143,782 71,891 215,674 107,837 323,512 161,756 80,878

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