815209

Prime Factor Structure

Factorization String 815209

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 815,210

Proper Divisor Sum 1

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #815197 ← → #815231

1 815,209

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

815,209 2,445,628 1,222,814 611,407 1,834,222 917,111 2,751,334 1,375,667 4,127,002 2,063,501 6,190,504 3,095,252 1,547,626 773,813 2,321,440 1,160,720 580,360 290,180 145,090 72,545 217,636 108,818 54,409 163,228 81,614 40,807 122,422 61,211 183,634 91,817 275,452 137,726 68,863 206,590 103,295 309,886 154,943 464,830 232,415 697,246 348,623 1,045,870 522,935 1,568,806 784,403 2,353,210 1,176,605 3,529,816 1,764,908 882,454 441,227 1,323,682 661,841 1,985,524 992,762 496,381 1,489,144 744,572 372,286 186,143

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