420,488

2³ × 52561

Prime Factor Structure

Factorization String 2^3 × 52561

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 8

Divisor Sum (σ) 788,430

Proper Divisor Sum 367,942

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #420481 ← → #420499

1 2 4 8 52,561 105,122 210,244 420,488

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

420,488 210,244 105,122 52,561 157,684 78,842 39,421 118,264 59,132 29,566 14,783 44,350 22,175 66,526 33,263 99,790 49,895 149,686 74,843 224,530 112,265 336,796 168,398 84,199 252,598 126,299 378,898 189,449 568,348 284,174 142,087 426,262 213,131 639,394 319,697 959,092 479,546 239,773 719,320 359,660 179,830 89,915 269,746 134,873 404,620 202,310 101,155 303,466 151,733 455,200 227,600 113,800 56,900 28,450 14,225 42,676 21,338 10,669 32,008 16,004

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