2 × 256561

Prime Factor Structure

Factorization String 2 × 256561

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 769,686

Proper Divisor Sum 256,564

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #513109 ← → #513131

1 2 256,561 513,122

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

513,122 256,561 769,684 384,842 192,421 577,264 288,632 144,316 72,158 36,079 108,238 54,119 162,358 81,179 243,538 121,769 365,308 182,654 91,327 273,982 136,991 410,974 205,487 616,462 308,231 924,694 462,347 1,387,042 693,521 2,080,564 1,040,282 520,141 1,560,424 780,212 390,106 195,053 585,160 292,580 146,290 73,145 219,436 109,718 54,859 164,578 82,289 246,868 123,434 61,717 185,152 92,576 46,288 23,144 11,572 5,786 2,893 8,680 4,340 2,170 1,085 3,256

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