16,323,640

2³ × 5 × 408091

16,323,640 factors as 2^3 × 5 × 408091. Its 16 positive divisors give a proper-divisor sum of 20,404,640, so this integer is abundant. The Collatz stopping time is 231 steps.

Prime Factor Structure

Factorization String 2^3 × 5 × 408091

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 36,728,280

Proper Divisor Sum 20,404,640

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #16323631 ← → #16323673

Radix Representation

Decimal	16323640
Binary	111110010001010000111000 (24 bits)
Octal	0o76212070
Hexadecimal	0xF91438

Divisor Catalog (16)

1 2 4 5 8 10 20 40 408,091 816,182 1,632,364 2,040,455 3,264,728 4,080,910 8,161,820 16,323,640

Collatz Trajectory (231 steps to reach 1)

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

16,323,640 8,161,820 4,080,910 2,040,455 6,121,366 3,060,683 9,182,050 4,591,025 13,773,076 6,886,538 3,443,269 10,329,808 5,164,904 2,582,452 1,291,226 645,613 1,936,840 968,420 484,210 242,105 726,316 363,158 181,579 544,738 272,369 817,108 408,554 204,277 612,832 306,416 153,208 76,604 38,302 19,151 57,454 28,727 86,182 43,091 129,274 64,637 193,912 96,956 48,478 24,239 72,718 36,359 109,078 54,539 163,618 81,809 245,428 122,714 61,357 184,072 92,036 46,018 23,009 69,028 34,514 17,257

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