2² × 3 × 5² × 1303

Prime Factor Structure

Factorization String 2^2 × 3 × 5^2 × 1303

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 1,131,872

Proper Divisor Sum 740,972

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #390893 ← → #390953

1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 1,303 2,606 3,909 5,212 6,515 7,818 13,030 15,636 19,545 26,060 32,575 39,090 65,150 78,180 97,725 130,300 195,450 390,900

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

390,900 195,450 97,725 293,176 146,588 73,294 36,647 109,942 54,971 164,914 82,457 247,372 123,686 61,843 185,530 92,765 278,296 139,148 69,574 34,787 104,362 52,181 156,544 78,272 39,136 19,568 9,784 4,892 2,446 1,223 3,670 1,835 5,506 2,753 8,260 4,130 2,065 6,196 3,098 1,549 4,648 2,324 1,162 581 1,744 872 436 218 109 328 164 82 41 124 62 31 94 47 142 71

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