3 × 7 × 173²

Prime Factor Structure

Factorization String 3 × 7 × 173^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 963,296

Proper Divisor Sum 334,787

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #628499 ← → #628547

1 3 7 21 173 519 1,211 3,633 29,929 89,787 209,503 628,509

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

628,509 1,885,528 942,764 471,382 235,691 707,074 353,537 1,060,612 530,306 265,153 795,460 397,730 198,865 596,596 298,298 149,149 447,448 223,724 111,862 55,931 167,794 83,897 251,692 125,846 62,923 188,770 94,385 283,156 141,578 70,789 212,368 106,184 53,092 26,546 13,273 39,820 19,910 9,955 29,866 14,933 44,800 22,400 11,200 5,600 2,800 1,400 700 350 175 526 263 790 395 1,186 593 1,780 890 445 1,336 668

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