2,199,784

2³ × 274973

2,199,784 factors as 2^3 × 274973. Its 8 positive divisors give a proper-divisor sum of 1,924,826, so this integer is deficient. The Collatz stopping time is 135 steps.

Prime Factor Structure

Factorization String 2^3 × 274973

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 4,124,610

Proper Divisor Sum 1,924,826

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #2199781 ← → #2199803

Radix Representation

Decimal	2199784
Binary	1000011001000011101000 (22 bits)
Octal	0o10310350
Hexadecimal	0x2190E8

Divisor Catalog (8)

1 2 4 8 274,973 549,946 1,099,892 2,199,784

Collatz Trajectory (135 steps to reach 1)

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

2,199,784 1,099,892 549,946 274,973 824,920 412,460 206,230 103,115 309,346 154,673 464,020 232,010 116,005 348,016 174,008 87,004 43,502 21,751 65,254 32,627 97,882 48,941 146,824 73,412 36,706 18,353 55,060 27,530 13,765 41,296 20,648 10,324 5,162 2,581 7,744 3,872 1,936 968 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395

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