3 × 7 × 17 × 1103

Prime Factor Structure

Factorization String 3 × 7 × 17 × 1103

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 635,904

Proper Divisor Sum 242,133

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #393761 ← → #393779

1 3 7 17 21 51 119 357 1,103 3,309 7,721 18,751 23,163 56,253 131,257 393,771

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

393,771 1,181,314 590,657 1,771,972 885,986 442,993 1,328,980 664,490 332,245 996,736 498,368 249,184 124,592 62,296 31,148 15,574 7,787 23,362 11,681 35,044 17,522 8,761 26,284 13,142 6,571 19,714 9,857 29,572 14,786 7,393 22,180 11,090 5,545 16,636 8,318 4,159 12,478 6,239 18,718 9,359 28,078 14,039 42,118 21,059 63,178 31,589 94,768 47,384 23,692 11,846 5,923 17,770 8,885 26,656 13,328 6,664 3,332 1,666 833 2,500

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