400,189

199 × 2011

400,189 factors as 199 × 2011. Its 4 positive divisors give a proper-divisor sum of 2,211, so this integer is deficient. The Collatz stopping time is 91 steps.

Prime Factor Structure

Factorization String 199 × 2011

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 402,400

Proper Divisor Sum 2,211

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #400187 ← → #400199

Radix Representation

Decimal	400189
Binary	1100001101100111101 (19 bits)
Octal	0o1415475
Hexadecimal	0x61B3D

Divisor Catalog (4)

1 199 2,011 400,189

Collatz Trajectory (91 steps to reach 1)

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

400,189 1,200,568 600,284 300,142 150,071 450,214 225,107 675,322 337,661 1,012,984 506,492 253,246 126,623 379,870 189,935 569,806 284,903 854,710 427,355 1,282,066 641,033 1,923,100 961,550 480,775 1,442,326 721,163 2,163,490 1,081,745 3,245,236 1,622,618 811,309 2,433,928 1,216,964 608,482 304,241 912,724 456,362 228,181 684,544 342,272 171,136 85,568 42,784 21,392 10,696 5,348 2,674 1,337 4,012 2,006 1,003 3,010 1,505 4,516 2,258 1,129 3,388 1,694 847 2,542

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