7 × 13 × 31 × 1607

Prime Factor Structure

Factorization String 7 × 13 × 31 × 1607

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,763,072

Proper Divisor Sum 1,229,725

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #4533317 ← → #4533349

1 7 13 31 91 217 403 1,607 2,821 11,249 20,891 49,817 146,237 348,719 647,621 4,533,347

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

4,533,347 13,600,042 6,800,021 20,400,064 10,200,032 5,100,016 2,550,008 1,275,004 637,502 318,751 956,254 478,127 1,434,382 717,191 2,151,574 1,075,787 3,227,362 1,613,681 4,841,044 2,420,522 1,210,261 3,630,784 1,815,392 907,696 453,848 226,924 113,462 56,731 170,194 85,097 255,292 127,646 63,823 191,470 95,735 287,206 143,603 430,810 215,405 646,216 323,108 161,554 80,777 242,332 121,166 60,583 181,750 90,875 272,626 136,313 408,940 204,470 102,235 306,706 153,353 460,060 230,030 115,015 345,046 172,523

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