2² × 5² × 29 × 137

Prime Factor Structure

Factorization String 2^2 × 5^2 × 29 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 898,380

Proper Divisor Sum 501,080

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #397297 ← → #397301

1 2 4 5 10 20 25 29 50 58 100 116 137 145 274 290 548 580 685 725 1,370 1,450 2,740 2,900 3,425 3,973 6,850 7,946 13,700 15,892 19,865 39,730 79,460 99,325 198,650 397,300

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

397,300 198,650 99,325 297,976 148,988 74,494 37,247 111,742 55,871 167,614 83,807 251,422 125,711 377,134 188,567 565,702 282,851 848,554 424,277 1,272,832 636,416 318,208 159,104 79,552 39,776 19,888 9,944 4,972 2,486 1,243 3,730 1,865 5,596 2,798 1,399 4,198 2,099 6,298 3,149 9,448 4,724 2,362 1,181 3,544 1,772 886 443 1,330 665 1,996 998 499 1,498 749 2,248 1,124 562 281 844 422

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