λ
Sequence Observatory

8,887,115

5 × 1777423
Deficient Odd Composite

Starting at 8,887,115, the Collatz iteration reaches 1 after 119 steps. The first transition is 26661346; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 1777423
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 10,664,544
Proper Divisor Sum 1,777,429
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #8887103 ← → #8887127

Radix Representation

Decimal 8887115
Binary 100001111001101101001011 (24 bits)
Octal 0o41715513
Hexadecimal 0x879B4B

Divisor Catalog (4)

1 5 1,777,423 8,887,115

Collatz Trajectory (119 steps to reach 1)

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

8,887,115 26,661,346 13,330,673 39,992,020 19,996,010 9,998,005 29,994,016 14,997,008 7,498,504 3,749,252 1,874,626 937,313 2,811,940 1,405,970 702,985 2,108,956 1,054,478 527,239 1,581,718 790,859 2,372,578 1,186,289 3,558,868 1,779,434 889,717 2,669,152 1,334,576 667,288 333,644 166,822 83,411 250,234 125,117 375,352 187,676 93,838 46,919 140,758 70,379 211,138 105,569 316,708 158,354 79,177 237,532 118,766 59,383 178,150 89,075 267,226 133,613 400,840 200,420 100,210 50,105 150,316 75,158 37,579 112,738 56,369

More profiles

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