3 × 21997

Prime Factor Structure

Factorization String 3 × 21997

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 87,992

Proper Divisor Sum 22,001

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #65983 ← → #65993

1 3 21,997 65,991

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

65,991 197,974 98,987 296,962 148,481 445,444 222,722 111,361 334,084 167,042 83,521 250,564 125,282 62,641 187,924 93,962 46,981 140,944 70,472 35,236 17,618 8,809 26,428 13,214 6,607 19,822 9,911 29,734 14,867 44,602 22,301 66,904 33,452 16,726 8,363 25,090 12,545 37,636 18,818 9,409 28,228 14,114 7,057 21,172 10,586 5,293 15,880 7,940 3,970 1,985 5,956 2,978 1,489 4,468 2,234 1,117 3,352 1,676 838 419

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