2² × 5² × 31387

Prime Factor Structure

Factorization String 2^2 × 5^2 × 31387

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 6,811,196

Proper Divisor Sum 3,672,496

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #3138691 ← → #3138767

1 2 4 5 10 20 25 50 100 31,387 62,774 125,548 156,935 313,870 627,740 784,675 1,569,350 3,138,700

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

3,138,700 1,569,350 784,675 2,354,026 1,177,013 3,531,040 1,765,520 882,760 441,380 220,690 110,345 331,036 165,518 82,759 248,278 124,139 372,418 186,209 558,628 279,314 139,657 418,972 209,486 104,743 314,230 157,115 471,346 235,673 707,020 353,510 176,755 530,266 265,133 795,400 397,700 198,850 99,425 298,276 149,138 74,569 223,708 111,854 55,927 167,782 83,891 251,674 125,837 377,512 188,756 94,378 47,189 141,568 70,784 35,392 17,696 8,848 4,424 2,212 1,106 553

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