2 × 3² × 137 × 157

Prime Factor Structure

Factorization String 2 × 3^2 × 137 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 850,356

Proper Divisor Sum 463,194

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #387161 ← → #387169

1 2 3 6 9 18 137 157 274 314 411 471 822 942 1,233 1,413 2,466 2,826 21,509 43,018 64,527 129,054 193,581 387,162

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

387,162 193,581 580,744 290,372 145,186 72,593 217,780 108,890 54,445 163,336 81,668 40,834 20,417 61,252 30,626 15,313 45,940 22,970 11,485 34,456 17,228 8,614 4,307 12,922 6,461 19,384 9,692 4,846 2,423 7,270 3,635 10,906 5,453 16,360 8,180 4,090 2,045 6,136 3,068 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242 13,121 39,364 19,682 9,841 29,524 14,762

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