13640257

Prime Factor Structure

Factorization String 13640257

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 13,640,258

Proper Divisor Sum 1

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #13640213 ← → #13640261

1 13,640,257

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

13,640,257 40,920,772 20,460,386 10,230,193 30,690,580 15,345,290 7,672,645 23,017,936 11,508,968 5,754,484 2,877,242 1,438,621 4,315,864 2,157,932 1,078,966 539,483 1,618,450 809,225 2,427,676 1,213,838 606,919 1,820,758 910,379 2,731,138 1,365,569 4,096,708 2,048,354 1,024,177 3,072,532 1,536,266 768,133 2,304,400 1,152,200 576,100 288,050 144,025 432,076 216,038 108,019 324,058 162,029 486,088 243,044 121,522 60,761 182,284 91,142 45,571 136,714 68,357 205,072 102,536 51,268 25,634 12,817 38,452 19,226 9,613 28,840 14,420

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