λ
Sequence Observatory

1,004,886

2 × 34 × 6203
Abundant Even Composite

Starting at 1,004,886, the Collatz iteration reaches 1 after 139 steps. The first transition is 502443; the starting value is even with 20 positive divisors.

Prime Factor Structure

Factorization String 2 × 3^4 × 6203
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 20
Divisor Sum (σ) 2,252,052
Proper Divisor Sum 1,247,166
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #1004873 ← → #1004903

Radix Representation

Decimal 1004886
Binary 11110101010101010110 (20 bits)
Octal 0o3652526
Hexadecimal 0xF5556

Divisor Catalog (20)

1 2 3 6 9 18 27 54 81 162 6,203 12,406 18,609 37,218 55,827 111,654 167,481 334,962 502,443 1,004,886

Collatz Trajectory (139 steps to reach 1)

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

1,004,886 502,443 1,507,330 753,665 2,260,996 1,130,498 565,249 1,695,748 847,874 423,937 1,271,812 635,906 317,953 953,860 476,930 238,465 715,396 357,698 178,849 536,548 268,274 134,137 402,412 201,206 100,603 301,810 150,905 452,716 226,358 113,179 339,538 169,769 509,308 254,654 127,327 381,982 190,991 572,974 286,487 859,462 429,731 1,289,194 644,597 1,933,792 966,896 483,448 241,724 120,862 60,431 181,294 90,647 271,942 135,971 407,914 203,957 611,872 305,936 152,968 76,484 38,242

More profiles

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