2² × 3² × 5 × 2161

Prime Factor Structure

Factorization String 2^2 × 3^2 × 5 × 2161

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,180,452

Proper Divisor Sum 791,472

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #388963 ← → #388991

1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 2,161 4,322 6,483 8,644 10,805 12,966 19,449 21,610 25,932 32,415 38,898 43,220 64,830 77,796 97,245 129,660 194,490 388,980

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

388,980 194,490 97,245 291,736 145,868 72,934 36,467 109,402 54,701 164,104 82,052 41,026 20,513 61,540 30,770 15,385 46,156 23,078 11,539 34,618 17,309 51,928 25,964 12,982 6,491 19,474 9,737 29,212 14,606 7,303 21,910 10,955 32,866 16,433 49,300 24,650 12,325 36,976 18,488 9,244 4,622 2,311 6,934 3,467 10,402 5,201 15,604 7,802 3,901 11,704 5,852 2,926 1,463 4,390 2,195 6,586 3,293 9,880 4,940 2,470

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