2² × 3² × 5 × 1187

Prime Factor Structure

Factorization String 2^2 × 3^2 × 5 × 1187

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 648,648

Proper Divisor Sum 434,988

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #213659 ← → #213713

1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1,187 2,374 3,561 4,748 5,935 7,122 10,683 11,870 14,244 17,805 21,366 23,740 35,610 42,732 53,415 71,220 106,830 213,660

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

213,660 106,830 53,415 160,246 80,123 240,370 120,185 360,556 180,278 90,139 270,418 135,209 405,628 202,814 101,407 304,222 152,111 456,334 228,167 684,502 342,251 1,026,754 513,377 1,540,132 770,066 385,033 1,155,100 577,550 288,775 866,326 433,163 1,299,490 649,745 1,949,236 974,618 487,309 1,461,928 730,964 365,482 182,741 548,224 274,112 137,056 68,528 34,264 17,132 8,566 4,283 12,850 6,425 19,276 9,638 4,819 14,458 7,229 21,688 10,844 5,422 2,711 8,134

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