λ
Ratio Atlas

20,008,175

52 × 11 × 31 × 2347
Deficient Odd Composite

20,008,175 factors as 5^2 × 11 × 31 × 2347. Its 24 positive divisors give a proper-divisor sum of 7,942,417, so this integer is deficient. The Collatz stopping time is 296 steps.

Prime Factor Structure

Factorization String 5^2 × 11 × 31 × 2347
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 27,950,592
Proper Divisor Sum 7,942,417
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #20008171 ← → #20008187

Radix Representation

Decimal 20008175
Binary 1001100010100110011101111 (25 bits)
Octal 0o114246357
Hexadecimal 0x1314CEF

Divisor Catalog (24)

Collatz Trajectory (296 steps to reach 1)

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

20,008,175 60,024,526 30,012,263 90,036,790 45,018,395 135,055,186 67,527,593 202,582,780 101,291,390 50,645,695 151,937,086 75,968,543 227,905,630 113,952,815 341,858,446 170,929,223 512,787,670 256,393,835 769,181,506 384,590,753 1,153,772,260 576,886,130 288,443,065 865,329,196 432,664,598 216,332,299 648,996,898 324,498,449 973,495,348 486,747,674 243,373,837 730,121,512 365,060,756 182,530,378 91,265,189 273,795,568 136,897,784 68,448,892 34,224,446 17,112,223 51,336,670 25,668,335 77,005,006 38,502,503 115,507,510 57,753,755 173,261,266 86,630,633 259,891,900 129,945,950 64,972,975 194,918,926 97,459,463 292,378,390 146,189,195 438,567,586 219,283,793 657,851,380 328,925,690 164,462,845

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