2,168,276

2² × 11 × 49279

Starting at 2,168,276, the Collatz iteration reaches 1 after 91 steps. The first transition is 1084138; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 11 × 49279

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 4,139,520

Proper Divisor Sum 1,971,244

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #2168273 ← → #2168291

Radix Representation

Decimal	2168276
Binary	1000010001010111010100 (22 bits)
Octal	0o10212724
Hexadecimal	0x2115D4

Divisor Catalog (12)

1 2 4 11 22 44 49,279 98,558 197,116 542,069 1,084,138 2,168,276

Collatz Trajectory (91 steps to reach 1)

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

2,168,276 1,084,138 542,069 1,626,208 813,104 406,552 203,276 101,638 50,819 152,458 76,229 228,688 114,344 57,172 28,586 14,293 42,880 21,440 10,720 5,360 2,680 1,340 670 335 1,006 503 1,510 755 2,266 1,133 3,400 1,700 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308

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