2² × 205171

Prime Factor Structure

Factorization String 2^2 × 205171

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 1,436,204

Proper Divisor Sum 615,520

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #820681 ← → #820691

1 2 4 205,171 410,342 820,684

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

820,684 410,342 205,171 615,514 307,757 923,272 461,636 230,818 115,409 346,228 173,114 86,557 259,672 129,836 64,918 32,459 97,378 48,689 146,068 73,034 36,517 109,552 54,776 27,388 13,694 6,847 20,542 10,271 30,814 15,407 46,222 23,111 69,334 34,667 104,002 52,001 156,004 78,002 39,001 117,004 58,502 29,251 87,754 43,877 131,632 65,816 32,908 16,454 8,227 24,682 12,341 37,024 18,512 9,256 4,628 2,314 1,157 3,472 1,736 868

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