7 × 13 × 41 × 137

Prime Factor Structure

Factorization String 7 × 13 × 41 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 649,152

Proper Divisor Sum 138,005

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #511123 ← → #511151

1 7 13 41 91 137 287 533 959 1,781 3,731 5,617 12,467 39,319 73,021 511,147

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

511,147 1,533,442 766,721 2,300,164 1,150,082 575,041 1,725,124 862,562 431,281 1,293,844 646,922 323,461 970,384 485,192 242,596 121,298 60,649 181,948 90,974 45,487 136,462 68,231 204,694 102,347 307,042 153,521 460,564 230,282 115,141 345,424 172,712 86,356 43,178 21,589 64,768 32,384 16,192 8,096 4,048 2,024 1,012 506 253 760 380 190 95 286 143 430 215 646 323 970 485 1,456 728 364 182 91

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