2² × 5 × 73 × 10729

Prime Factor Structure

Factorization String 2^2 × 5 × 73 × 10729

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 33,348,840

Proper Divisor Sum 17,684,500

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #15664339 ← → #15664351

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

15,664,340 7,832,170 3,916,085 11,748,256 5,874,128 2,937,064 1,468,532 734,266 367,133 1,101,400 550,700 275,350 137,675 413,026 206,513 619,540 309,770 154,885 464,656 232,328 116,164 58,082 29,041 87,124 43,562 21,781 65,344 32,672 16,336 8,168 4,084 2,042 1,021 3,064 1,532 766 383 1,150 575 1,726 863 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

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