2 × 5² × 11 × 19²

Prime Factor Structure

Factorization String 2 × 5^2 × 11 × 19^2

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 425,196

Proper Divisor Sum 226,646

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #198533 ← → #198553

1 2 5 10 11 19 22 25 38 50 55 95 110 190 209 275 361 418 475 550 722 950 1,045 1,805 2,090 3,610 3,971 5,225 7,942 9,025 10,450 18,050 19,855 39,710 99,275 198,550

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

198,550 99,275 297,826 148,913 446,740 223,370 111,685 335,056 167,528 83,764 41,882 20,941 62,824 31,412 15,706 7,853 23,560 11,780 5,890 2,945 8,836 4,418 2,209 6,628 3,314 1,657 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 1,124 562 281 844 422 211

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