7 × 31 × 61 × 617

Prime Factor Structure

Factorization String 7 × 31 × 61 × 617

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 9,808,896

Proper Divisor Sum 1,641,667

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #8167219 ← → #8167253

1 7 31 61 217 427 617 1,891 4,319 13,237 19,127 37,637 133,889 263,459 1,166,747 8,167,229

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

8,167,229 24,501,688 12,250,844 6,125,422 3,062,711 9,188,134 4,594,067 13,782,202 6,891,101 20,673,304 10,336,652 5,168,326 2,584,163 7,752,490 3,876,245 11,628,736 5,814,368 2,907,184 1,453,592 726,796 363,398 181,699 545,098 272,549 817,648 408,824 204,412 102,206 51,103 153,310 76,655 229,966 114,983 344,950 172,475 517,426 258,713 776,140 388,070 194,035 582,106 291,053 873,160 436,580 218,290 109,145 327,436 163,718 81,859 245,578 122,789 368,368 184,184 92,092 46,046 23,023 69,070 34,535 103,606 51,803

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