6,561,893

13 × 251 × 2011

Prime Factor Structure

Factorization String 13 × 251 × 2011

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 8

Divisor Sum (σ) 7,098,336

Proper Divisor Sum 536,443

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #6561887 ← → #6561911

1 13 251 2,011 3,263 26,143 504,761 6,561,893

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

6,561,893 19,685,680 9,842,840 4,921,420 2,460,710 1,230,355 3,691,066 1,845,533 5,536,600 2,768,300 1,384,150 692,075 2,076,226 1,038,113 3,114,340 1,557,170 778,585 2,335,756 1,167,878 583,939 1,751,818 875,909 2,627,728 1,313,864 656,932 328,466 164,233 492,700 246,350 123,175 369,526 184,763 554,290 277,145 831,436 415,718 207,859 623,578 311,789 935,368 467,684 233,842 116,921 350,764 175,382 87,691 263,074 131,537 394,612 197,306 98,653 295,960 147,980 73,990 36,995 110,986 55,493 166,480 83,240 41,620

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