399,243

3 × 13 × 29 × 353

399,243 has the prime decomposition 3 × 13 × 29 × 353. Its 4 distinct prime factors produce 16 positive divisors.

Prime Factor Structure

Factorization String 3 × 13 × 29 × 353

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 594,720

Proper Divisor Sum 195,477

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #399241 ← → #399263

Radix Representation

Decimal	399243
Binary	1100001011110001011 (19 bits)
Octal	0o1413613
Hexadecimal	0x6178B

Divisor Catalog (16)

1 3 13 29 39 87 353 377 1,059 1,131 4,589 10,237 13,767 30,711 133,081 399,243

Collatz Trajectory (223 steps to reach 1)

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

399,243 1,197,730 598,865 1,796,596 898,298 449,149 1,347,448 673,724 336,862 168,431 505,294 252,647 757,942 378,971 1,136,914 568,457 1,705,372 852,686 426,343 1,279,030 639,515 1,918,546 959,273 2,877,820 1,438,910 719,455 2,158,366 1,079,183 3,237,550 1,618,775 4,856,326 2,428,163 7,284,490 3,642,245 10,926,736 5,463,368 2,731,684 1,365,842 682,921 2,048,764 1,024,382 512,191 1,536,574 768,287 2,304,862 1,152,431 3,457,294 1,728,647 5,185,942 2,592,971 7,778,914 3,889,457 11,668,372 5,834,186 2,917,093 8,751,280 4,375,640 2,187,820 1,093,910 546,955

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