672,201

3² × 19 × 3931

Prime Factor Structure

Factorization String 3^2 × 19 × 3931

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 1,022,320

Proper Divisor Sum 350,119

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #672193 ← → #672209

1 3 9 19 57 171 3,931 11,793 35,379 74,689 224,067 672,201

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

672,201 2,016,604 1,008,302 504,151 1,512,454 756,227 2,268,682 1,134,341 3,403,024 1,701,512 850,756 425,378 212,689 638,068 319,034 159,517 478,552 239,276 119,638 59,819 179,458 89,729 269,188 134,594 67,297 201,892 100,946 50,473 151,420 75,710 37,855 113,566 56,783 170,350 85,175 255,526 127,763 383,290 191,645 574,936 287,468 143,734 71,867 215,602 107,801 323,404 161,702 80,851 242,554 121,277 363,832 181,916 90,958 45,479 136,438 68,219 204,658 102,329 306,988 153,494

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