3 × 216991

Prime Factor Structure

Factorization String 3 × 216991

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 867,968

Proper Divisor Sum 216,995

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #650971 ← → #650987

1 3 216,991 650,973

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

650,973 1,952,920 976,460 488,230 244,115 732,346 366,173 1,098,520 549,260 274,630 137,315 411,946 205,973 617,920 308,960 154,480 77,240 38,620 19,310 9,655 28,966 14,483 43,450 21,725 65,176 32,588 16,294 8,147 24,442 12,221 36,664 18,332 9,166 4,583 13,750 6,875 20,626 10,313 30,940 15,470 7,735 23,206 11,603 34,810 17,405 52,216 26,108 13,054 6,527 19,582 9,791 29,374 14,687 44,062 22,031 66,094 33,047 99,142 49,571 148,714

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