3² × 7 × 13 × 487

Prime Factor Structure

Factorization String 3^2 × 7 × 13 × 487

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 710,528

Proper Divisor Sum 311,675

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #398833 ← → #398857

1 3 7 9 13 21 39 63 91 117 273 487 819 1,461 3,409 4,383 6,331 10,227 18,993 30,681 44,317 56,979 132,951 398,853

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

398,853 1,196,560 598,280 299,140 149,570 74,785 224,356 112,178 56,089 168,268 84,134 42,067 126,202 63,101 189,304 94,652 47,326 23,663 70,990 35,495 106,486 53,243 159,730 79,865 239,596 119,798 59,899 179,698 89,849 269,548 134,774 67,387 202,162 101,081 303,244 151,622 75,811 227,434 113,717 341,152 170,576 85,288 42,644 21,322 10,661 31,984 15,992 7,996 3,998 1,999 5,998 2,999 8,998 4,499 13,498 6,749 20,248 10,124 5,062 2,531

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