2 × 5² × 61 × 131

Prime Factor Structure

Factorization String 2 × 5^2 × 61 × 131

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 761,112

Proper Divisor Sum 361,562

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #399541 ← → #399557

1 2 5 10 25 50 61 122 131 262 305 610 655 1,310 1,525 3,050 3,275 6,550 7,991 15,982 39,955 79,910 199,775 399,550

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

399,550 199,775 599,326 299,663 898,990 449,495 1,348,486 674,243 2,022,730 1,011,365 3,034,096 1,517,048 758,524 379,262 189,631 568,894 284,447 853,342 426,671 1,280,014 640,007 1,920,022 960,011 2,880,034 1,440,017 4,320,052 2,160,026 1,080,013 3,240,040 1,620,020 810,010 405,005 1,215,016 607,508 303,754 151,877 455,632 227,816 113,908 56,954 28,477 85,432 42,716 21,358 10,679 32,038 16,019 48,058 24,029 72,088 36,044 18,022 9,011 27,034 13,517 40,552 20,276 10,138 5,069 15,208

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