2,255,151

3 × 751717

Starting at 2,255,151, the Collatz iteration reaches 1 after 86 steps. The first transition is 6765454; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 751717

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,006,872

Proper Divisor Sum 751,721

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #2255147 ← → #2255159

Radix Representation

Decimal	2255151
Binary	1000100110100100101111 (22 bits)
Octal	0o10464457
Hexadecimal	0x22692F

Divisor Catalog (4)

1 3 751,717 2,255,151

Collatz Trajectory (86 steps to reach 1)

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

2,255,151 6,765,454 3,382,727 10,148,182 5,074,091 15,222,274 7,611,137 22,833,412 11,416,706 5,708,353 17,125,060 8,562,530 4,281,265 12,843,796 6,421,898 3,210,949 9,632,848 4,816,424 2,408,212 1,204,106 602,053 1,806,160 903,080 451,540 225,770 112,885 338,656 169,328 84,664 42,332 21,166 10,583 31,750 15,875 47,626 23,813 71,440 35,720 17,860 8,930 4,465 13,396 6,698 3,349 10,048 5,024 2,512 1,256 628 314 157 472 236 118 59 178 89 268 134 67

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