290,225

5² × 13 × 19 × 47

Prime Factor Structure

Factorization String 5^2 × 13 × 19 × 47

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 416,640

Proper Divisor Sum 126,415

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #290219 ← → #290233

1 5 13 19 25 47 65 95 235 247 325 475 611 893 1,175 1,235 3,055 4,465 6,175 11,609 15,275 22,325 58,045 290,225

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

290,225 870,676 435,338 217,669 653,008 326,504 163,252 81,626 40,813 122,440 61,220 30,610 15,305 45,916 22,958 11,479 34,438 17,219 51,658 25,829 77,488 38,744 19,372 9,686 4,843 14,530 7,265 21,796 10,898 5,449 16,348 8,174 4,087 12,262 6,131 18,394 9,197 27,592 13,796 6,898 3,449 10,348 5,174 2,587 7,762 3,881 11,644 5,822 2,911 8,734 4,367 13,102 6,551 19,654 9,827 29,482 14,741 44,224 22,112 11,056

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