3 × 61 × 73 × 151

Prime Factor Structure

Factorization String 3 × 61 × 73 × 151

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,789,504

Proper Divisor Sum 772,295

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #2017189 ← → #2017217

1 3 61 73 151 183 219 453 4,453 9,211 11,023 13,359 27,633 33,069 672,403 2,017,209

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

2,017,209 6,051,628 3,025,814 1,512,907 4,538,722 2,269,361 6,808,084 3,404,042 1,702,021 5,106,064 2,553,032 1,276,516 638,258 319,129 957,388 478,694 239,347 718,042 359,021 1,077,064 538,532 269,266 134,633 403,900 201,950 100,975 302,926 151,463 454,390 227,195 681,586 340,793 1,022,380 511,190 255,595 766,786 383,393 1,150,180 575,090 287,545 862,636 431,318 215,659 646,978 323,489 970,468 485,234 242,617 727,852 363,926 181,963 545,890 272,945 818,836 409,418 204,709 614,128 307,064 153,532 76,766

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