7 × 19 × 61 × 811

Prime Factor Structure

Factorization String 7 × 19 × 61 × 811

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 8,055,040

Proper Divisor Sum 1,475,397

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #6579637 ← → #6579647

1 7 19 61 133 427 811 1,159 5,677 8,113 15,409 49,471 107,863 346,297 939,949 6,579,643

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

6,579,643 19,738,930 9,869,465 29,608,396 14,804,198 7,402,099 22,206,298 11,103,149 33,309,448 16,654,724 8,327,362 4,163,681 12,491,044 6,245,522 3,122,761 9,368,284 4,684,142 2,342,071 7,026,214 3,513,107 10,539,322 5,269,661 15,808,984 7,904,492 3,952,246 1,976,123 5,928,370 2,964,185 8,892,556 4,446,278 2,223,139 6,669,418 3,334,709 10,004,128 5,002,064 2,501,032 1,250,516 625,258 312,629 937,888 468,944 234,472 117,236 58,618 29,309 87,928 43,964 21,982 10,991 32,974 16,487 49,462 24,731 74,194 37,097 111,292 55,646 27,823 83,470 41,735

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