2 × 3² × 43 × 673

Prime Factor Structure

Factorization String 2 × 3^2 × 43 × 673

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,156,584

Proper Divisor Sum 635,682

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #520889 ← → #520913

1 2 3 6 9 18 43 86 129 258 387 673 774 1,346 2,019 4,038 6,057 12,114 28,939 57,878 86,817 173,634 260,451 520,902

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

520,902 260,451 781,354 390,677 1,172,032 586,016 293,008 146,504 73,252 36,626 18,313 54,940 27,470 13,735 41,206 20,603 61,810 30,905 92,716 46,358 23,179 69,538 34,769 104,308 52,154 26,077 78,232 39,116 19,558 9,779 29,338 14,669 44,008 22,004 11,002 5,501 16,504 8,252 4,126 2,063 6,190 3,095 9,286 4,643 13,930 6,965 20,896 10,448 5,224 2,612 1,306 653 1,960 980 490 245 736 368 184 92

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