3 × 13 × 53 × 139

Prime Factor Structure

Factorization String 3 × 13 × 53 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 423,360

Proper Divisor Sum 136,047

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #287297 ← → #287321

1 3 13 39 53 139 159 417 689 1,807 2,067 5,421 7,367 22,101 95,771 287,313

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

287,313 861,940 430,970 215,485 646,456 323,228 161,614 80,807 242,422 121,211 363,634 181,817 545,452 272,726 136,363 409,090 204,545 613,636 306,818 153,409 460,228 230,114 115,057 345,172 172,586 86,293 258,880 129,440 64,720 32,360 16,180 8,090 4,045 12,136 6,068 3,034 1,517 4,552 2,276 1,138 569 1,708 854 427 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834

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