2 × 3 × 5 × 281 × 491

Prime Factor Structure

Factorization String 2 × 3 × 5 × 281 × 491

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 9,989,568

Proper Divisor Sum 5,850,438

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #4139129 ← → #4139147

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

4,139,130 2,069,565 6,208,696 3,104,348 1,552,174 776,087 2,328,262 1,164,131 3,492,394 1,746,197 5,238,592 2,619,296 1,309,648 654,824 327,412 163,706 81,853 245,560 122,780 61,390 30,695 92,086 46,043 138,130 69,065 207,196 103,598 51,799 155,398 77,699 233,098 116,549 349,648 174,824 87,412 43,706 21,853 65,560 32,780 16,390 8,195 24,586 12,293 36,880 18,440 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

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