640049

Prime Factor Structure

Factorization String 640049

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 640,050

Proper Divisor Sum 1

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #640043 ← → #640061

1 640,049

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

640,049 1,920,148 960,074 480,037 1,440,112 720,056 360,028 180,014 90,007 270,022 135,011 405,034 202,517 607,552 303,776 151,888 75,944 37,972 18,986 9,493 28,480 14,240 7,120 3,560 1,780 890 445 1,336 668 334 167 502 251 754 377 1,132 566 283 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102

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