2² × 5 × 53 × 61

Prime Factor Structure

Factorization String 2^2 × 5 × 53 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 140,616

Proper Divisor Sum 75,956

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #64633 ← → #64661

1 2 4 5 10 20 53 61 106 122 212 244 265 305 530 610 1,060 1,220 3,233 6,466 12,932 16,165 32,330 64,660

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

64,660 32,330 16,165 48,496 24,248 12,124 6,062 3,031 9,094 4,547 13,642 6,821 20,464 10,232 5,116 2,558 1,279 3,838 1,919 5,758 2,879 8,638 4,319 12,958 6,479 19,438 9,719 29,158 14,579 43,738 21,869 65,608 32,804 16,402 8,201 24,604 12,302 6,151 18,454 9,227 27,682 13,841 41,524 20,762 10,381 31,144 15,572 7,786 3,893 11,680 5,840 2,920 1,460 730 365 1,096 548 274 137 412

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