198,620

2² × 5 × 9931

Prime Factor Structure

Factorization String 2^2 × 5 × 9931

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 12

Divisor Sum (σ) 417,144

Proper Divisor Sum 218,524

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #198613 ← → #198623

1 2 4 5 10 20 9,931 19,862 39,724 49,655 99,310 198,620

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

198,620 99,310 49,655 148,966 74,483 223,450 111,725 335,176 167,588 83,794 41,897 125,692 62,846 31,423 94,270 47,135 141,406 70,703 212,110 106,055 318,166 159,083 477,250 238,625 715,876 357,938 178,969 536,908 268,454 134,227 402,682 201,341 604,024 302,012 151,006 75,503 226,510 113,255 339,766 169,883 509,650 254,825 764,476 382,238 191,119 573,358 286,679 860,038 430,019 1,290,058 645,029 1,935,088 967,544 483,772 241,886 120,943 362,830 181,415 544,246 272,123

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