198,650

2 × 5² × 29 × 137

Prime Factor Structure

Factorization String 2 × 5^2 × 29 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 385,020

Proper Divisor Sum 186,370

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #198647 ← → #198659

1 2 5 10 25 29 50 58 137 145 274 290 685 725 1,370 1,450 3,425 3,973 6,850 7,946 19,865 39,730 99,325 198,650

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

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 1,124 562 281 844 422 211

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