2 × 5 × 89 × 821

Prime Factor Structure

Factorization String 2 × 5 × 89 × 821

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,331,640

Proper Divisor Sum 600,950

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #730679 ← → #730727

1 2 5 10 89 178 445 821 890 1,642 4,105 8,210 73,069 146,138 365,345 730,690

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

730,690 365,345 1,096,036 548,018 274,009 822,028 411,014 205,507 616,522 308,261 924,784 462,392 231,196 115,598 57,799 173,398 86,699 260,098 130,049 390,148 195,074 97,537 292,612 146,306 73,153 219,460 109,730 54,865 164,596 82,298 41,149 123,448 61,724 30,862 15,431 46,294 23,147 69,442 34,721 104,164 52,082 26,041 78,124 39,062 19,531 58,594 29,297 87,892 43,946 21,973 65,920 32,960 16,480 8,240 4,120 2,060 1,030 515 1,546 773

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