2² × 5 × 20261

Prime Factor Structure

Factorization String 2^2 × 5 × 20261

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 851,004

Proper Divisor Sum 445,784

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #405211 ← → #405221

1 2 4 5 10 20 20,261 40,522 81,044 101,305 202,610 405,220

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

405,220 202,610 101,305 303,916 151,958 75,979 227,938 113,969 341,908 170,954 85,477 256,432 128,216 64,108 32,054 16,027 48,082 24,041 72,124 36,062 18,031 54,094 27,047 81,142 40,571 121,714 60,857 182,572 91,286 45,643 136,930 68,465 205,396 102,698 51,349 154,048 77,024 38,512 19,256 9,628 4,814 2,407 7,222 3,611 10,834 5,417 16,252 8,126 4,063 12,190 6,095 18,286 9,143 27,430 13,715 41,146 20,573 61,720 30,860 15,430

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