13 × 29 × 31 × 397

Prime Factor Structure

Factorization String 13 × 29 × 31 × 397

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,349,120

Proper Divisor Sum 709,381

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #4639717 ← → #4639741

1 13 29 31 377 397 403 899 5,161 11,513 11,687 12,307 149,669 159,991 356,903 4,639,739

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

4,639,739 13,919,218 6,959,609 20,878,828 10,439,414 5,219,707 15,659,122 7,829,561 23,488,684 11,744,342 5,872,171 17,616,514 8,808,257 26,424,772 13,212,386 6,606,193 19,818,580 9,909,290 4,954,645 14,863,936 7,431,968 3,715,984 1,857,992 928,996 464,498 232,249 696,748 348,374 174,187 522,562 261,281 783,844 391,922 195,961 587,884 293,942 146,971 440,914 220,457 661,372 330,686 165,343 496,030 248,015 744,046 372,023 1,116,070 558,035 1,674,106 837,053 2,511,160 1,255,580 627,790 313,895 941,686 470,843 1,412,530 706,265 2,118,796 1,059,398

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