3 × 5 × 7 × 61²

Prime Factor Structure

Factorization String 3 × 5 × 7 × 61^2

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 726,336

Proper Divisor Sum 335,631

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #390703 ← → #390707

1 3 5 7 15 21 35 61 105 183 305 427 915 1,281 2,135 3,721 6,405 11,163 18,605 26,047 55,815 78,141 130,235 390,705

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

390,705 1,172,116 586,058 293,029 879,088 439,544 219,772 109,886 54,943 164,830 82,415 247,246 123,623 370,870 185,435 556,306 278,153 834,460 417,230 208,615 625,846 312,923 938,770 469,385 1,408,156 704,078 352,039 1,056,118 528,059 1,584,178 792,089 2,376,268 1,188,134 594,067 1,782,202 891,101 2,673,304 1,336,652 668,326 334,163 1,002,490 501,245 1,503,736 751,868 375,934 187,967 563,902 281,951 845,854 422,927 1,268,782 634,391 1,903,174 951,587 2,854,762 1,427,381 4,282,144 2,141,072 1,070,536 535,268

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