2² × 3² × 7 × 37 × 71

Prime Factor Structure

Factorization String 2^2 × 3^2 × 7 × 37 × 71

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 1,991,808

Proper Divisor Sum 1,329,804

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #662003 ← → #662021

1 2 3 4 6 7 9 12 14 18 21 28 36 37 42 63 71 74 84 111 126 142 148 213 222 252 259 284 333 426 444 497 518 639 666 777 852 994 1,036 1,278 1,332 1,491 1,554 1,988 2,331 2,556 2,627 2,982 3,108 4,473 4,662 5,254 5,964 7,881 8,946 9,324 10,508 15,762 17,892 18,389

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

662,004 331,002 165,501 496,504 248,252 124,126 62,063 186,190 93,095 279,286 139,643 418,930 209,465 628,396 314,198 157,099 471,298 235,649 706,948 353,474 176,737 530,212 265,106 132,553 397,660 198,830 99,415 298,246 149,123 447,370 223,685 671,056 335,528 167,764 83,882 41,941 125,824 62,912 31,456 15,728 7,864 3,932 1,966 983 2,950 1,475 4,426 2,213 6,640 3,320 1,660 830 415 1,246 623 1,870 935 2,806 1,403 4,210

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