538,025

5² × 21521

Prime Factor Structure

Factorization String 5^2 × 21521

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 6

Divisor Sum (σ) 667,182

Proper Divisor Sum 129,157

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #538019 ← → #538049

1 5 25 21,521 107,605 538,025

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

538,025 1,614,076 807,038 403,519 1,210,558 605,279 1,815,838 907,919 2,723,758 1,361,879 4,085,638 2,042,819 6,128,458 3,064,229 9,192,688 4,596,344 2,298,172 1,149,086 574,543 1,723,630 861,815 2,585,446 1,292,723 3,878,170 1,939,085 5,817,256 2,908,628 1,454,314 727,157 2,181,472 1,090,736 545,368 272,684 136,342 68,171 204,514 102,257 306,772 153,386 76,693 230,080 115,040 57,520 28,760 14,380 7,190 3,595 10,786 5,393 16,180 8,090 4,045 12,136 6,068 3,034 1,517 4,552 2,276 1,138 569

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