1,818,258

2 × 3 × 13 × 23311

Starting at 1,818,258, the Collatz iteration reaches 1 after 202 steps. The first transition is 909129; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 13 × 23311

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,916,416

Proper Divisor Sum 2,098,158

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #1818241 ← → #1818277

Radix Representation

Decimal	1818258
Binary	110111011111010010010 (21 bits)
Octal	0o6737222
Hexadecimal	0x1BBE92

Divisor Catalog (16)

1 2 3 6 13 26 39 78 23,311 46,622 69,933 139,866 303,043 606,086 909,129 1,818,258

Collatz Trajectory (202 steps to reach 1)

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

1,818,258 909,129 2,727,388 1,363,694 681,847 2,045,542 1,022,771 3,068,314 1,534,157 4,602,472 2,301,236 1,150,618 575,309 1,725,928 862,964 431,482 215,741 647,224 323,612 161,806 80,903 242,710 121,355 364,066 182,033 546,100 273,050 136,525 409,576 204,788 102,394 51,197 153,592 76,796 38,398 19,199 57,598 28,799 86,398 43,199 129,598 64,799 194,398 97,199 291,598 145,799 437,398 218,699 656,098 328,049 984,148 492,074 246,037 738,112 369,056 184,528 92,264 46,132 23,066 11,533

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