λ
Sequence Observatory

8,360,687

8360687
Deficient Odd Prime

Starting at 8,360,687, the Collatz iteration reaches 1 after 186 steps. The first transition is 25082062; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 8360687
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 8,360,688
Proper Divisor Sum 1
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #8360683 ← → #8360717

Radix Representation

Decimal 8360687
Binary 11111111001001011101111 (23 bits)
Octal 0o37711357
Hexadecimal 0x7F92EF

Divisor Catalog (2)

Collatz Trajectory (186 steps to reach 1)

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

8,360,687 25,082,062 12,541,031 37,623,094 18,811,547 56,434,642 28,217,321 84,651,964 42,325,982 21,162,991 63,488,974 31,744,487 95,233,462 47,616,731 142,850,194 71,425,097 214,275,292 107,137,646 53,568,823 160,706,470 80,353,235 241,059,706 120,529,853 361,589,560 180,794,780 90,397,390 45,198,695 135,596,086 67,798,043 203,394,130 101,697,065 305,091,196 152,545,598 76,272,799 228,818,398 114,409,199 343,227,598 171,613,799 514,841,398 257,420,699 772,262,098 386,131,049 1,158,393,148 579,196,574 289,598,287 868,794,862 434,397,431 1,303,192,294 651,596,147 1,954,788,442 977,394,221 2,932,182,664 1,466,091,332 733,045,666 366,522,833 1,099,568,500 549,784,250 274,892,125 824,676,376 412,338,188

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