5 × 7² × 53²

Prime Factor Structure

Factorization String 5 × 7^2 × 53^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 979,146

Proper Divisor Sum 290,941

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #688201 ← → #688217

1 5 7 35 49 53 245 265 371 1,855 2,597 2,809 12,985 14,045 19,663 98,315 137,641 688,205

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

688,205 2,064,616 1,032,308 516,154 258,077 774,232 387,116 193,558 96,779 290,338 145,169 435,508 217,754 108,877 326,632 163,316 81,658 40,829 122,488 61,244 30,622 15,311 45,934 22,967 68,902 34,451 103,354 51,677 155,032 77,516 38,758 19,379 58,138 29,069 87,208 43,604 21,802 10,901 32,704 16,352 8,176 4,088 2,044 1,022 511 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242

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