7 × 13 × 37 × 6581

Prime Factor Structure

Factorization String 7 × 13 × 37 × 6581

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 28,012,992

Proper Divisor Sum 5,854,765

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #22158121 ← → #22158229

1 7 13 37 91 259 481 3,367 6,581 46,067 85,553 243,497 598,871 1,704,479 3,165,461 22,158,227

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

22,158,227 66,474,682 33,237,341 99,712,024 49,856,012 24,928,006 12,464,003 37,392,010 18,696,005 56,088,016 28,044,008 14,022,004 7,011,002 3,505,501 10,516,504 5,258,252 2,629,126 1,314,563 3,943,690 1,971,845 5,915,536 2,957,768 1,478,884 739,442 369,721 1,109,164 554,582 277,291 831,874 415,937 1,247,812 623,906 311,953 935,860 467,930 233,965 701,896 350,948 175,474 87,737 263,212 131,606 65,803 197,410 98,705 296,116 148,058 74,029 222,088 111,044 55,522 27,761 83,284 41,642 20,821 62,464 31,232 15,616 7,808 3,904

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