3³ × 7 × 20981

Prime Factor Structure

Factorization String 3^3 × 7 × 20981

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 6,714,240

Proper Divisor Sum 2,748,831

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #3965393 ← → #3965419

1 3 7 9 21 27 63 189 20,981 62,943 146,867 188,829 440,601 566,487 1,321,803 3,965,409

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

3,965,409 11,896,228 5,948,114 2,974,057 8,922,172 4,461,086 2,230,543 6,691,630 3,345,815 10,037,446 5,018,723 15,056,170 7,528,085 22,584,256 11,292,128 5,646,064 2,823,032 1,411,516 705,758 352,879 1,058,638 529,319 1,587,958 793,979 2,381,938 1,190,969 3,572,908 1,786,454 893,227 2,679,682 1,339,841 4,019,524 2,009,762 1,004,881 3,014,644 1,507,322 753,661 2,260,984 1,130,492 565,246 282,623 847,870 423,935 1,271,806 635,903 1,907,710 953,855 2,861,566 1,430,783 4,292,350 2,146,175 6,438,526 3,219,263 9,657,790 4,828,895 14,486,686 7,243,343 21,730,030 10,865,015 32,595,046

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