2² × 205213

Prime Factor Structure

Factorization String 2^2 × 205213

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 1,436,498

Proper Divisor Sum 615,646

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #820837 ← → #820873

1 2 4 205,213 410,426 820,852

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

820,852 410,426 205,213 615,640 307,820 153,910 76,955 230,866 115,433 346,300 173,150 86,575 259,726 129,863 389,590 194,795 584,386 292,193 876,580 438,290 219,145 657,436 328,718 164,359 493,078 246,539 739,618 369,809 1,109,428 554,714 277,357 832,072 416,036 208,018 104,009 312,028 156,014 78,007 234,022 117,011 351,034 175,517 526,552 263,276 131,638 65,819 197,458 98,729 296,188 148,094 74,047 222,142 111,071 333,214 166,607 499,822 249,911 749,734 374,867 1,124,602

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