5 × 7² × 809

Prime Factor Structure

Factorization String 5 × 7^2 × 809

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 277,020

Proper Divisor Sum 78,815

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #198197 ← → #198221

1 5 7 35 49 245 809 4,045 5,663 28,315 39,641 198,205

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

198,205 594,616 297,308 148,654 74,327 222,982 111,491 334,474 167,237 501,712 250,856 125,428 62,714 31,357 94,072 47,036 23,518 11,759 35,278 17,639 52,918 26,459 79,378 39,689 119,068 59,534 29,767 89,302 44,651 133,954 66,977 200,932 100,466 50,233 150,700 75,350 37,675 113,026 56,513 169,540 84,770 42,385 127,156 63,578 31,789 95,368 47,684 23,842 11,921 35,764 17,882 8,941 26,824 13,412 6,706 3,353 10,060 5,030 2,515 7,546

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