3³ × 37 × 661

Prime Factor Structure

Factorization String 3^3 × 37 × 661

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,006,240

Proper Divisor Sum 345,901

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #660337 ← → #660347

1 3 9 27 37 111 333 661 999 1,983 5,949 17,847 24,457 73,371 220,113 660,339

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

660,339 1,981,018 990,509 2,971,528 1,485,764 742,882 371,441 1,114,324 557,162 278,581 835,744 417,872 208,936 104,468 52,234 26,117 78,352 39,176 19,588 9,794 4,897 14,692 7,346 3,673 11,020 5,510 2,755 8,266 4,133 12,400 6,200 3,100 1,550 775 2,326 1,163 3,490 1,745 5,236 2,618 1,309 3,928 1,964 982 491 1,474 737 2,212 1,106 553 1,660 830 415 1,246 623 1,870 935 2,806 1,403 4,210

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