2 × 3² × 28181

Prime Factor Structure

Factorization String 2 × 3^2 × 28181

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,099,098

Proper Divisor Sum 591,840

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #507217 ← → #507289

1 2 3 6 9 18 28,181 56,362 84,543 169,086 253,629 507,258

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

507,258 253,629 760,888 380,444 190,222 95,111 285,334 142,667 428,002 214,001 642,004 321,002 160,501 481,504 240,752 120,376 60,188 30,094 15,047 45,142 22,571 67,714 33,857 101,572 50,786 25,393 76,180 38,090 19,045 57,136 28,568 14,284 7,142 3,571 10,714 5,357 16,072 8,036 4,018 2,009 6,028 3,014 1,507 4,522 2,261 6,784 3,392 1,696 848 424 212 106 53 160 80 40 20 10 5 16

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