2² × 5 × 61²

Prime Factor Structure

Factorization String 2^2 × 5 × 61^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 158,886

Proper Divisor Sum 84,466

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #74419 ← → #74441

1 2 4 5 10 20 61 122 244 305 610 1,220 3,721 7,442 14,884 18,605 37,210 74,420

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

74,420 37,210 18,605 55,816 27,908 13,954 6,977 20,932 10,466 5,233 15,700 7,850 3,925 11,776 5,888 2,944 1,472 736 368 184 92 46 23 70 35 106 53 160 80 40 20 10 5 16 8 4 2 1

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