13 × 17 × 3947

Prime Factor Structure

Factorization String 13 × 17 × 3947

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 994,896

Proper Divisor Sum 122,609

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #872281 ← → #872317

1 13 17 221 3,947 51,311 67,099 872,287

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

872,287 2,616,862 1,308,431 3,925,294 1,962,647 5,887,942 2,943,971 8,831,914 4,415,957 13,247,872 6,623,936 3,311,968 1,655,984 827,992 413,996 206,998 103,499 310,498 155,249 465,748 232,874 116,437 349,312 174,656 87,328 43,664 21,832 10,916 5,458 2,729 8,188 4,094 2,047 6,142 3,071 9,214 4,607 13,822 6,911 20,734 10,367 31,102 15,551 46,654 23,327 69,982 34,991 104,974 52,487 157,462 78,731 236,194 118,097 354,292 177,146 88,573 265,720 132,860 66,430 33,215

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