2 × 3² × 19² × 61

Prime Factor Structure

Factorization String 2 × 3^2 × 19^2 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 921,258

Proper Divisor Sum 524,880

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #396377 ← → #396379

1 2 3 6 9 18 19 38 57 61 114 122 171 183 342 361 366 549 722 1,083 1,098 1,159 2,166 2,318 3,249 3,477 6,498 6,954 10,431 20,862 22,021 44,042 66,063 132,126 198,189 396,378

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

396,378 198,189 594,568 297,284 148,642 74,321 222,964 111,482 55,741 167,224 83,612 41,806 20,903 62,710 31,355 94,066 47,033 141,100 70,550 35,275 105,826 52,913 158,740 79,370 39,685 119,056 59,528 29,764 14,882 7,441 22,324 11,162 5,581 16,744 8,372 4,186 2,093 6,280 3,140 1,570 785 2,356 1,178 589 1,768 884 442 221 664 332 166 83 250 125 376 188 94 47 142 71

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