5 × 13 × 137 × 821

Prime Factor Structure

Factorization String 5 × 13 × 137 × 821

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 9,528,624

Proper Divisor Sum 2,217,619

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #7310993 ← → #7311011

1 5 13 65 137 685 821 1,781 4,105 8,905 10,673 53,365 112,477 562,385 1,462,201 7,311,005

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

7,311,005 21,933,016 10,966,508 5,483,254 2,741,627 8,224,882 4,112,441 12,337,324 6,168,662 3,084,331 9,252,994 4,626,497 13,879,492 6,939,746 3,469,873 10,409,620 5,204,810 2,602,405 7,807,216 3,903,608 1,951,804 975,902 487,951 1,463,854 731,927 2,195,782 1,097,891 3,293,674 1,646,837 4,940,512 2,470,256 1,235,128 617,564 308,782 154,391 463,174 231,587 694,762 347,381 1,042,144 521,072 260,536 130,268 65,134 32,567 97,702 48,851 146,554 73,277 219,832 109,916 54,958 27,479 82,438 41,219 123,658 61,829 185,488 92,744 46,372

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