2² × 5² × 1619

Prime Factor Structure

Factorization String 2^2 × 5^2 × 1619

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 351,540

Proper Divisor Sum 189,640

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #161881 ← → #161911

1 2 4 5 10 20 25 50 100 1,619 3,238 6,476 8,095 16,190 32,380 40,475 80,950 161,900

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

161,900 80,950 40,475 121,426 60,713 182,140 91,070 45,535 136,606 68,303 204,910 102,455 307,366 153,683 461,050 230,525 691,576 345,788 172,894 86,447 259,342 129,671 389,014 194,507 583,522 291,761 875,284 437,642 218,821 656,464 328,232 164,116 82,058 41,029 123,088 61,544 30,772 15,386 7,693 23,080 11,540 5,770 2,885 8,656 4,328 2,164 1,082 541 1,624 812 406 203 610 305 916 458 229 688 344 172

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