2 × 83 × 157 × 821

Prime Factor Structure

Factorization String 2 × 83 × 157 × 821

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 32,728,752

Proper Divisor Sum 11,331,850

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #21396901 ← → #21396917

1 2 83 157 166 314 821 1,642 13,031 26,062 68,143 128,897 136,286 257,794 10,698,451 21,396,902

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

21,396,902 10,698,451 32,095,354 16,047,677 48,143,032 24,071,516 12,035,758 6,017,879 18,053,638 9,026,819 27,080,458 13,540,229 40,620,688 20,310,344 10,155,172 5,077,586 2,538,793 7,616,380 3,808,190 1,904,095 5,712,286 2,856,143 8,568,430 4,284,215 12,852,646 6,426,323 19,278,970 9,639,485 28,918,456 14,459,228 7,229,614 3,614,807 10,844,422 5,422,211 16,266,634 8,133,317 24,399,952 12,199,976 6,099,988 3,049,994 1,524,997 4,574,992 2,287,496 1,143,748 571,874 285,937 857,812 428,906 214,453 643,360 321,680 160,840 80,420 40,210 20,105 60,316 30,158 15,079 45,238 22,619

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