2² × 5 × 25771

Prime Factor Structure

Factorization String 2^2 × 5 × 25771

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,082,424

Proper Divisor Sum 567,004

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #515401 ← → #515429

1 2 4 5 10 20 25,771 51,542 103,084 128,855 257,710 515,420

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

515,420 257,710 128,855 386,566 193,283 579,850 289,925 869,776 434,888 217,444 108,722 54,361 163,084 81,542 40,771 122,314 61,157 183,472 91,736 45,868 22,934 11,467 34,402 17,201 51,604 25,802 12,901 38,704 19,352 9,676 4,838 2,419 7,258 3,629 10,888 5,444 2,722 1,361 4,084 2,042 1,021 3,064 1,532 766 383 1,150 575 1,726 863 2,590 1,295 3,886 1,943 5,830 2,915 8,746 4,373 13,120 6,560 3,280

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