2³ × 5 × 13 × 1289

Prime Factor Structure

Factorization String 2^3 × 5 × 13 × 1289

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,625,400

Proper Divisor Sum 955,120

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #670279 ← → #670297

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

670,280 335,140 167,570 83,785 251,356 125,678 62,839 188,518 94,259 282,778 141,389 424,168 212,084 106,042 53,021 159,064 79,532 39,766 19,883 59,650 29,825 89,476 44,738 22,369 67,108 33,554 16,777 50,332 25,166 12,583 37,750 18,875 56,626 28,313 84,940 42,470 21,235 63,706 31,853 95,560 47,780 23,890 11,945 35,836 17,918 8,959 26,878 13,439 40,318 20,159 60,478 30,239 90,718 45,359 136,078 68,039 204,118 102,059 306,178 153,089

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