3 × 7 × 197 × 211

Prime Factor Structure

Factorization String 3 × 7 × 197 × 211

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,343,232

Proper Divisor Sum 470,325

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #872863 ← → #872923

1 3 7 21 197 211 591 633 1,379 1,477 4,137 4,431 41,567 124,701 290,969 872,907

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

872,907 2,618,722 1,309,361 3,928,084 1,964,042 982,021 2,946,064 1,473,032 736,516 368,258 184,129 552,388 276,194 138,097 414,292 207,146 103,573 310,720 155,360 77,680 38,840 19,420 9,710 4,855 14,566 7,283 21,850 10,925 32,776 16,388 8,194 4,097 12,292 6,146 3,073 9,220 4,610 2,305 6,916 3,458 1,729 5,188 2,594 1,297 3,892 1,946 973 2,920 1,460 730 365 1,096 548 274 137 412 206 103 310 155

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