1,265,720

2³ × 5 × 31643

Prime Factor Structure

Factorization String 2^3 × 5 × 31643

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 16

Divisor Sum (σ) 2,847,960

Proper Divisor Sum 1,582,240

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #1265681 ← → #1265729

1 2 4 5 8 10 20 40 31,643 63,286 126,572 158,215 253,144 316,430 632,860 1,265,720

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

1,265,720 632,860 316,430 158,215 474,646 237,323 711,970 355,985 1,067,956 533,978 266,989 800,968 400,484 200,242 100,121 300,364 150,182 75,091 225,274 112,637 337,912 168,956 84,478 42,239 126,718 63,359 190,078 95,039 285,118 142,559 427,678 213,839 641,518 320,759 962,278 481,139 1,443,418 721,709 2,165,128 1,082,564 541,282 270,641 811,924 405,962 202,981 608,944 304,472 152,236 76,118 38,059 114,178 57,089 171,268 85,634 42,817 128,452 64,226 32,113 96,340 48,170

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