2² × 5 × 17 × 1171

Prime Factor Structure

Factorization String 2^2 × 5 × 17 × 1171

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 886,032

Proper Divisor Sum 487,892

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #398129 ← → #398143

1 2 4 5 10 17 20 34 68 85 170 340 1,171 2,342 4,684 5,855 11,710 19,907 23,420 39,814 79,628 99,535 199,070 398,140

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

398,140 199,070 99,535 298,606 149,303 447,910 223,955 671,866 335,933 1,007,800 503,900 251,950 125,975 377,926 188,963 566,890 283,445 850,336 425,168 212,584 106,292 53,146 26,573 79,720 39,860 19,930 9,965 29,896 14,948 7,474 3,737 11,212 5,606 2,803 8,410 4,205 12,616 6,308 3,154 1,577 4,732 2,366 1,183 3,550 1,775 5,326 2,663 7,990 3,995 11,986 5,993 17,980 8,990 4,495 13,486 6,743 20,230 10,115 30,346 15,173

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