13 × 23 × 101 × 257

Prime Factor Structure

Factorization String 13 × 23 × 101 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 8,842,176

Proper Divisor Sum 1,081,033

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #7761133 ← → #7761151

1 13 23 101 257 299 1,313 2,323 3,341 5,911 25,957 30,199 76,843 337,441 597,011 7,761,143

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

7,761,143 23,283,430 11,641,715 34,925,146 17,462,573 52,387,720 26,193,860 13,096,930 6,548,465 19,645,396 9,822,698 4,911,349 14,734,048 7,367,024 3,683,512 1,841,756 920,878 460,439 1,381,318 690,659 2,071,978 1,035,989 3,107,968 1,553,984 776,992 388,496 194,248 97,124 48,562 24,281 72,844 36,422 18,211 54,634 27,317 81,952 40,976 20,488 10,244 5,122 2,561 7,684 3,842 1,921 5,764 2,882 1,441 4,324 2,162 1,081 3,244 1,622 811 2,434 1,217 3,652 1,826 913 2,740 1,370

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