13 × 19 × 1987

Prime Factor Structure

Factorization String 13 × 19 × 1987

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 556,640

Proper Divisor Sum 65,851

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #490783 ← → #490829

1 13 19 247 1,987 25,831 37,753 490,789

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

490,789 1,472,368 736,184 368,092 184,046 92,023 276,070 138,035 414,106 207,053 621,160 310,580 155,290 77,645 232,936 116,468 58,234 29,117 87,352 43,676 21,838 10,919 32,758 16,379 49,138 24,569 73,708 36,854 18,427 55,282 27,641 82,924 41,462 20,731 62,194 31,097 93,292 46,646 23,323 69,970 34,985 104,956 52,478 26,239 78,718 39,359 118,078 59,039 177,118 88,559 265,678 132,839 398,518 199,259 597,778 298,889 896,668 448,334 224,167 672,502

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