2² × 3² × 5 × 17 × 139

Prime Factor Structure

Factorization String 2^2 × 3^2 × 5 × 17 × 139

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 1,375,920

Proper Divisor Sum 950,580

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #425333 ← → #425363

1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 102 139 153 170 180 204 255 278 306 340 417 510 556 612 695 765 834 1,020 1,251 1,390 1,530 1,668 2,085 2,363 2,502 2,780 3,060 4,170 4,726 5,004 6,255 7,089 8,340 9,452 11,815 12,510 14,178 21,267

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

425,340 212,670 106,335 319,006 159,503 478,510 239,255 717,766 358,883 1,076,650 538,325 1,614,976 807,488 403,744 201,872 100,936 50,468 25,234 12,617 37,852 18,926 9,463 28,390 14,195 42,586 21,293 63,880 31,940 15,970 7,985 23,956 11,978 5,989 17,968 8,984 4,492 2,246 1,123 3,370 1,685 5,056 2,528 1,264 632 316 158 79 238 119 358 179 538 269 808 404 202 101 304 152 76

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