720,741

3 × 7² × 4903

Prime Factor Structure

Factorization String 3 × 7^2 × 4903

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 1,118,112

Proper Divisor Sum 397,371

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #720703 ← → #720743

1 3 7 21 49 147 4,903 14,709 34,321 102,963 240,247 720,741

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

720,741 2,162,224 1,081,112 540,556 270,278 135,139 405,418 202,709 608,128 304,064 152,032 76,016 38,008 19,004 9,502 4,751 14,254 7,127 21,382 10,691 32,074 16,037 48,112 24,056 12,028 6,014 3,007 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227 45,682 22,841 68,524 34,262 17,131 51,394 25,697 77,092 38,546 19,273 57,820 28,910 14,455 43,366 21,683 65,050 32,525 97,576 48,788 24,394 12,197 36,592 18,296 9,148 4,574

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