3² × 5 × 47 × 103

Prime Factor Structure

Factorization String 3^2 × 5 × 47 × 103

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 389,376

Proper Divisor Sum 171,531

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #217829 ← → #217849

1 3 5 9 15 45 47 103 141 235 309 423 515 705 927 1,545 2,115 4,635 4,841 14,523 24,205 43,569 72,615 217,845

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

217,845 653,536 326,768 163,384 81,692 40,846 20,423 61,270 30,635 91,906 45,953 137,860 68,930 34,465 103,396 51,698 25,849 77,548 38,774 19,387 58,162 29,081 87,244 43,622 21,811 65,434 32,717 98,152 49,076 24,538 12,269 36,808 18,404 9,202 4,601 13,804 6,902 3,451 10,354 5,177 15,532 7,766 3,883 11,650 5,825 17,476 8,738 4,369 13,108 6,554 3,277 9,832 4,916 2,458 1,229 3,688 1,844 922 461 1,384

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