2² × 5² × 41 × 97

Prime Factor Structure

Factorization String 2^2 × 5^2 × 41 × 97

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 893,172

Proper Divisor Sum 495,472

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #397697 ← → #397721

1 2 4 5 10 20 25 41 50 82 97 100 164 194 205 388 410 485 820 970 1,025 1,940 2,050 2,425 3,977 4,100 4,850 7,954 9,700 15,908 19,885 39,770 79,540 99,425 198,850 397,700

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

397,700 198,850 99,425 298,276 149,138 74,569 223,708 111,854 55,927 167,782 83,891 251,674 125,837 377,512 188,756 94,378 47,189 141,568 70,784 35,392 17,696 8,848 4,424 2,212 1,106 553 1,660 830 415 1,246 623 1,870 935 2,806 1,403 4,210 2,105 6,316 3,158 1,579 4,738 2,369 7,108 3,554 1,777 5,332 2,666 1,333 4,000 2,000 1,000 500 250 125 376 188 94 47 142 71

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