13 × 101 × 509

Prime Factor Structure

Factorization String 13 × 101 × 509

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 728,280

Proper Divisor Sum 59,963

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #668303 ← → #668347

1 13 101 509 1,313 6,617 51,409 668,317

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

668,317 2,004,952 1,002,476 501,238 250,619 751,858 375,929 1,127,788 563,894 281,947 845,842 422,921 1,268,764 634,382 317,191 951,574 475,787 1,427,362 713,681 2,141,044 1,070,522 535,261 1,605,784 802,892 401,446 200,723 602,170 301,085 903,256 451,628 225,814 112,907 338,722 169,361 508,084 254,042 127,021 381,064 190,532 95,266 47,633 142,900 71,450 35,725 107,176 53,588 26,794 13,397 40,192 20,096 10,048 5,024 2,512 1,256 628 314 157 472 236 118

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