2² × 5 × 12899

Prime Factor Structure

Factorization String 2^2 × 5 × 12899

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 541,800

Proper Divisor Sum 283,820

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #257953 ← → #257981

1 2 4 5 10 20 12,899 25,798 51,596 64,495 128,990 257,980

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

257,980 128,990 64,495 193,486 96,743 290,230 145,115 435,346 217,673 653,020 326,510 163,255 489,766 244,883 734,650 367,325 1,101,976 550,988 275,494 137,747 413,242 206,621 619,864 309,932 154,966 77,483 232,450 116,225 348,676 174,338 87,169 261,508 130,754 65,377 196,132 98,066 49,033 147,100 73,550 36,775 110,326 55,163 165,490 82,745 248,236 124,118 62,059 186,178 93,089 279,268 139,634 69,817 209,452 104,726 52,363 157,090 78,545 235,636 117,818 58,909

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