7 × 13 × 151 × 157

Prime Factor Structure

Factorization String 7 × 13 × 151 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,689,792

Proper Divisor Sum 532,455

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #2157329 ← → #2157341

1 7 13 91 151 157 1,057 1,099 1,963 2,041 13,741 14,287 23,707 165,949 308,191 2,157,337

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

2,157,337 6,472,012 3,236,006 1,618,003 4,854,010 2,427,005 7,281,016 3,640,508 1,820,254 910,127 2,730,382 1,365,191 4,095,574 2,047,787 6,143,362 3,071,681 9,215,044 4,607,522 2,303,761 6,911,284 3,455,642 1,727,821 5,183,464 2,591,732 1,295,866 647,933 1,943,800 971,900 485,950 242,975 728,926 364,463 1,093,390 546,695 1,640,086 820,043 2,460,130 1,230,065 3,690,196 1,845,098 922,549 2,767,648 1,383,824 691,912 345,956 172,978 86,489 259,468 129,734 64,867 194,602 97,301 291,904 145,952 72,976 36,488 18,244 9,122 4,561 13,684

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