3² × 7 × 71 × 89

Prime Factor Structure

Factorization String 3^2 × 7 × 71 × 89

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 673,920

Proper Divisor Sum 275,823

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #398087 ← → #398113

1 3 7 9 21 63 71 89 213 267 497 623 639 801 1,491 1,869 4,473 5,607 6,319 18,957 44,233 56,871 132,699 398,097

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

398,097 1,194,292 597,146 298,573 895,720 447,860 223,930 111,965 335,896 167,948 83,974 41,987 125,962 62,981 188,944 94,472 47,236 23,618 11,809 35,428 17,714 8,857 26,572 13,286 6,643 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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