3 × 5² × 7 × 11²

Prime Factor Structure

Factorization String 3 × 5^2 × 7 × 11^2

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 131,936

Proper Divisor Sum 68,411

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #63521 ← → #63527

1 3 5 7 11 15 21 25 33 35 55 75 77 105 121 165 175 231 275 363 385 525 605 825 847 1,155 1,815 1,925 2,541 3,025 4,235 5,775 9,075 12,705 21,175 63,525

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

63,525 190,576 95,288 47,644 23,822 11,911 35,734 17,867 53,602 26,801 80,404 40,202 20,101 60,304 30,152 15,076 7,538 3,769 11,308 5,654 2,827 8,482 4,241 12,724 6,362 3,181 9,544 4,772 2,386 1,193 3,580 1,790 895 2,686 1,343 4,030 2,015 6,046 3,023 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230 1,615 4,846 2,423

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