2 × 257987

Prime Factor Structure

Factorization String 2 × 257987

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 773,964

Proper Divisor Sum 257,990

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #515969 ← → #515993

1 2 257,987 515,974

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

515,974 257,987 773,962 386,981 1,160,944 580,472 290,236 145,118 72,559 217,678 108,839 326,518 163,259 489,778 244,889 734,668 367,334 183,667 551,002 275,501 826,504 413,252 206,626 103,313 309,940 154,970 77,485 232,456 116,228 58,114 29,057 87,172 43,586 21,793 65,380 32,690 16,345 49,036 24,518 12,259 36,778 18,389 55,168 27,584 13,792 6,896 3,448 1,724 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280

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