3 × 5 × 257 × 521

Prime Factor Structure

Factorization String 3 × 5 × 257 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,232,224

Proper Divisor Sum 1,223,769

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #2008441 ← → #2008469

1 3 5 15 257 521 771 1,285 1,563 2,605 3,855 7,815 133,897 401,691 669,485 2,008,455

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

2,008,455 6,025,366 3,012,683 9,038,050 4,519,025 13,557,076 6,778,538 3,389,269 10,167,808 5,083,904 2,541,952 1,270,976 635,488 317,744 158,872 79,436 39,718 19,859 59,578 29,789 89,368 44,684 22,342 11,171 33,514 16,757 50,272 25,136 12,568 6,284 3,142 1,571 4,714 2,357 7,072 3,536 1,768 884 442 221 664 332 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484 242 121 364

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