2,886,276

2² × 3 × 61 × 3943

Starting at 2,886,276, the Collatz iteration reaches 1 after 213 steps. The first transition is 1443138; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3 × 61 × 3943

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 6,846,784

Proper Divisor Sum 3,960,508

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #2886263 ← → #2886281

Radix Representation

Decimal	2886276
Binary	1011000000101010000100 (22 bits)
Octal	0o13005204
Hexadecimal	0x2C0A84

Divisor Catalog (24)

1 2 3 4 6 12 61 122 183 244 366 732 3,943 7,886 11,829 15,772 23,658 47,316 240,523 481,046 721,569 962,092 1,443,138 2,886,276

Collatz Trajectory (213 steps to reach 1)

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

2,886,276 1,443,138 721,569 2,164,708 1,082,354 541,177 1,623,532 811,766 405,883 1,217,650 608,825 1,826,476 913,238 456,619 1,369,858 684,929 2,054,788 1,027,394 513,697 1,541,092 770,546 385,273 1,155,820 577,910 288,955 866,866 433,433 1,300,300 650,150 325,075 975,226 487,613 1,462,840 731,420 365,710 182,855 548,566 274,283 822,850 411,425 1,234,276 617,138 308,569 925,708 462,854 231,427 694,282 347,141 1,041,424 520,712 260,356 130,178 65,089 195,268 97,634 48,817 146,452 73,226 36,613 109,840

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