18,042,340

2² × 5 × 107 × 8431

18,042,340 factors as 2^2 × 5 × 107 × 8431. Its 24 positive divisors give a proper-divisor sum of 20,205,212, so this integer is abundant. The Collatz stopping time is 164 steps.

Prime Factor Structure

Factorization String 2^2 × 5 × 107 × 8431

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 38,247,552

Proper Divisor Sum 20,205,212

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #18042331 ← → #18042361

Radix Representation

Decimal	18042340
Binary	1000100110100110111100100 (25 bits)
Octal	0o104646744
Hexadecimal	0x1134DE4

Divisor Catalog (24)

Collatz Trajectory (164 steps to reach 1)

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

18,042,340 9,021,170 4,510,585 13,531,756 6,765,878 3,382,939 10,148,818 5,074,409 15,223,228 7,611,614 3,805,807 11,417,422 5,708,711 17,126,134 8,563,067 25,689,202 12,844,601 38,533,804 19,266,902 9,633,451 28,900,354 14,450,177 43,350,532 21,675,266 10,837,633 32,512,900 16,256,450 8,128,225 24,384,676 12,192,338 6,096,169 18,288,508 9,144,254 4,572,127 13,716,382 6,858,191 20,574,574 10,287,287 30,861,862 15,430,931 46,292,794 23,146,397 69,439,192 34,719,596 17,359,798 8,679,899 26,039,698 13,019,849 39,059,548 19,529,774 9,764,887 29,294,662 14,647,331 43,941,994 21,970,997 65,912,992 32,956,496 16,478,248 8,239,124 4,119,562

More profiles

Browse other published profiles and their separate link collections.

Profile #8,342,168 Profile #1,146,956 Profile #9,712,347 Profile #6,573,969 Profile #965,653 Profile #4,620,983 Profile #853,259 Profile #1,288,150

← Previous Integer #18,042,339 Browse Full Index Next Integer #18,042,341 →