281 × 491

Prime Factor Structure

Factorization String 281 × 491

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 138,744

Proper Divisor Sum 773

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #137957 ← → #137983

1 281 491 137,971

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

137,971 413,914 206,957 620,872 310,436 155,218 77,609 232,828 116,414 58,207 174,622 87,311 261,934 130,967 392,902 196,451 589,354 294,677 884,032 442,016 221,008 110,504 55,252 27,626 13,813 41,440 20,720 10,360 5,180 2,590 1,295 3,886 1,943 5,830 2,915 8,746 4,373 13,120 6,560 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88 44 22 11 34 17 52 26

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