3 × 7 × 13² × 43

Prime Factor Structure

Factorization String 3 × 7 × 13^2 × 43

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 257,664

Proper Divisor Sum 105,057

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #152599 ← → #152617

1 3 7 13 21 39 43 91 129 169 273 301 507 559 903 1,183 1,677 3,549 3,913 7,267 11,739 21,801 50,869 152,607

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

152,607 457,822 228,911 686,734 343,367 1,030,102 515,051 1,545,154 772,577 2,317,732 1,158,866 579,433 1,738,300 869,150 434,575 1,303,726 651,863 1,955,590 977,795 2,933,386 1,466,693 4,400,080 2,200,040 1,100,020 550,010 275,005 825,016 412,508 206,254 103,127 309,382 154,691 464,074 232,037 696,112 348,056 174,028 87,014 43,507 130,522 65,261 195,784 97,892 48,946 24,473 73,420 36,710 18,355 55,066 27,533 82,600 41,300 20,650 10,325 30,976 15,488 7,744 3,872 1,936 968

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