2² × 5² × 4051

Prime Factor Structure

Factorization String 2^2 × 5^2 × 4051

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 879,284

Proper Divisor Sum 474,184

Digit Sum / Digital Root 10 (Root: 1)

Adjacent Primes #405091 ← → #405143

1 2 4 5 10 20 25 50 100 4,051 8,102 16,204 20,255 40,510 81,020 101,275 202,550 405,100

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

405,100 202,550 101,275 303,826 151,913 455,740 227,870 113,935 341,806 170,903 512,710 256,355 769,066 384,533 1,153,600 576,800 288,400 144,200 72,100 36,050 18,025 54,076 27,038 13,519 40,558 20,279 60,838 30,419 91,258 45,629 136,888 68,444 34,222 17,111 51,334 25,667 77,002 38,501 115,504 57,752 28,876 14,438 7,219 21,658 10,829 32,488 16,244 8,122 4,061 12,184 6,092 3,046 1,523 4,570 2,285 6,856 3,428 1,714 857 2,572

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