2² × 5² × 2161

Prime Factor Structure

Factorization String 2^2 × 5^2 × 2161

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 469,154

Proper Divisor Sum 253,054

Digit Sum / Digital Root 10 (Root: 1)

Adjacent Primes #216091 ← → #216103

1 2 4 5 10 20 25 50 100 2,161 4,322 8,644 10,805 21,610 43,220 54,025 108,050 216,100

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

216,100 108,050 54,025 162,076 81,038 40,519 121,558 60,779 182,338 91,169 273,508 136,754 68,377 205,132 102,566 51,283 153,850 76,925 230,776 115,388 57,694 28,847 86,542 43,271 129,814 64,907 194,722 97,361 292,084 146,042 73,021 219,064 109,532 54,766 27,383 82,150 41,075 123,226 61,613 184,840 92,420 46,210 23,105 69,316 34,658 17,329 51,988 25,994 12,997 38,992 19,496 9,748 4,874 2,437 7,312 3,656 1,828 914 457 1,372

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