3² × 7 × 641

Prime Factor Structure

Factorization String 3^2 × 7 × 641

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 66,768

Proper Divisor Sum 26,385

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #40361 ← → #40387

1 3 7 9 21 63 641 1,923 4,487 5,769 13,461 40,383

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

40,383 121,150 60,575 181,726 90,863 272,590 136,295 408,886 204,443 613,330 306,665 919,996 459,998 229,999 689,998 344,999 1,034,998 517,499 1,552,498 776,249 2,328,748 1,164,374 582,187 1,746,562 873,281 2,619,844 1,309,922 654,961 1,964,884 982,442 491,221 1,473,664 736,832 368,416 184,208 92,104 46,052 23,026 11,513 34,540 17,270 8,635 25,906 12,953 38,860 19,430 9,715 29,146 14,573 43,720 21,860 10,930 5,465 16,396 8,198 4,099 12,298 6,149 18,448 9,224

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