2² × 5 × 61 × 283

Prime Factor Structure

Factorization String 2^2 × 5 × 61 × 283

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 739,536

Proper Divisor Sum 394,276

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #345259 ← → #345263

1 2 4 5 10 20 61 122 244 283 305 566 610 1,132 1,220 1,415 2,830 5,660 17,263 34,526 69,052 86,315 172,630 345,260

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

345,260 172,630 86,315 258,946 129,473 388,420 194,210 97,105 291,316 145,658 72,829 218,488 109,244 54,622 27,311 81,934 40,967 122,902 61,451 184,354 92,177 276,532 138,266 69,133 207,400 103,700 51,850 25,925 77,776 38,888 19,444 9,722 4,861 14,584 7,292 3,646 1,823 5,470 2,735 8,206 4,103 12,310 6,155 18,466 9,233 27,700 13,850 6,925 20,776 10,388 5,194 2,597 7,792 3,896 1,948 974 487 1,462 731 2,194

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