521491

Prime Factor Structure

Factorization String 521491

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 521,492

Proper Divisor Sum 1

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #521483 ← → #521497

1 521,491

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

521,491 1,564,474 782,237 2,346,712 1,173,356 586,678 293,339 880,018 440,009 1,320,028 660,014 330,007 990,022 495,011 1,485,034 742,517 2,227,552 1,113,776 556,888 278,444 139,222 69,611 208,834 104,417 313,252 156,626 78,313 234,940 117,470 58,735 176,206 88,103 264,310 132,155 396,466 198,233 594,700 297,350 148,675 446,026 223,013 669,040 334,520 167,260 83,630 41,815 125,446 62,723 188,170 94,085 282,256 141,128 70,564 35,282 17,641 52,924 26,462 13,231 39,694 19,847

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