31 × 12781

Prime Factor Structure

Factorization String 31 × 12781

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 409,024

Proper Divisor Sum 12,813

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #396203 ← → #396217

1 31 12,781 396,211

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

396,211 1,188,634 594,317 1,782,952 891,476 445,738 222,869 668,608 334,304 167,152 83,576 41,788 20,894 10,447 31,342 15,671 47,014 23,507 70,522 35,261 105,784 52,892 26,446 13,223 39,670 19,835 59,506 29,753 89,260 44,630 22,315 66,946 33,473 100,420 50,210 25,105 75,316 37,658 18,829 56,488 28,244 14,122 7,061 21,184 10,592 5,296 2,648 1,324 662 331 994 497 1,492 746 373 1,120 560 280 140 70

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