2² × 5² × 1571

Prime Factor Structure

Factorization String 2^2 × 5^2 × 1571

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 341,124

Proper Divisor Sum 184,024

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #157081 ← → #157103

1 2 4 5 10 20 25 50 100 1,571 3,142 6,284 7,855 15,710 31,420 39,275 78,550 157,100

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

157,100 78,550 39,275 117,826 58,913 176,740 88,370 44,185 132,556 66,278 33,139 99,418 49,709 149,128 74,564 37,282 18,641 55,924 27,962 13,981 41,944 20,972 10,486 5,243 15,730 7,865 23,596 11,798 5,899 17,698 8,849 26,548 13,274 6,637 19,912 9,956 4,978 2,489 7,468 3,734 1,867 5,602 2,801 8,404 4,202 2,101 6,304 3,152 1,576 788 394 197 592 296 148 74 37 112 56 28

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