3² × 5 × 7² × 1993

Prime Factor Structure

Factorization String 3^2 × 5 × 7^2 × 1993

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 8,865,324

Proper Divisor Sum 4,470,759

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #4394563 ← → #4394603

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

4,394,565 13,183,696 6,591,848 3,295,924 1,647,962 823,981 2,471,944 1,235,972 617,986 308,993 926,980 463,490 231,745 695,236 347,618 173,809 521,428 260,714 130,357 391,072 195,536 97,768 48,884 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 74,357 223,072 111,536 55,768 27,884

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