2² × 5 × 80489

Prime Factor Structure

Factorization String 2^2 × 5 × 80489

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 3,380,580

Proper Divisor Sum 1,770,800

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1609771 ← → #1609789

1 2 4 5 10 20 80,489 160,978 321,956 402,445 804,890 1,609,780

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

1,609,780 804,890 402,445 1,207,336 603,668 301,834 150,917 452,752 226,376 113,188 56,594 28,297 84,892 42,446 21,223 63,670 31,835 95,506 47,753 143,260 71,630 35,815 107,446 53,723 161,170 80,585 241,756 120,878 60,439 181,318 90,659 271,978 135,989 407,968 203,984 101,992 50,996 25,498 12,749 38,248 19,124 9,562 4,781 14,344 7,172 3,586 1,793 5,380 2,690 1,345 4,036 2,018 1,009 3,028 1,514 757 2,272 1,136 568 284

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