721397

Prime Factor Structure

Factorization String 721397

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 721,398

Proper Divisor Sum 1

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #721387 ← → #721439

1 721,397

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

721,397 2,164,192 1,082,096 541,048 270,524 135,262 67,631 202,894 101,447 304,342 152,171 456,514 228,257 684,772 342,386 171,193 513,580 256,790 128,395 385,186 192,593 577,780 288,890 144,445 433,336 216,668 108,334 54,167 162,502 81,251 243,754 121,877 365,632 182,816 91,408 45,704 22,852 11,426 5,713 17,140 8,570 4,285 12,856 6,428 3,214 1,607 4,822 2,411 7,234 3,617 10,852 5,426 2,713 8,140 4,070 2,035 6,106 3,053 9,160 4,580

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