3² × 43 × 521

Prime Factor Structure

Factorization String 3^2 × 43 × 521

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 298,584

Proper Divisor Sum 96,957

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #201623 ← → #201629

1 3 9 43 129 387 521 1,563 4,689 22,403 67,209 201,627

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

201,627 604,882 302,441 907,324 453,662 226,831 680,494 340,247 1,020,742 510,371 1,531,114 765,557 2,296,672 1,148,336 574,168 287,084 143,542 71,771 215,314 107,657 322,972 161,486 80,743 242,230 121,115 363,346 181,673 545,020 272,510 136,255 408,766 204,383 613,150 306,575 919,726 459,863 1,379,590 689,795 2,069,386 1,034,693 3,104,080 1,552,040 776,020 388,010 194,005 582,016 291,008 145,504 72,752 36,376 18,188 9,094 4,547 13,642 6,821 20,464 10,232 5,116 2,558 1,279

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