λ
Sequence Observatory

8,680,699

8680699
Deficient Odd Prime

Starting at 8,680,699, the Collatz iteration reaches 1 after 181 steps. The first transition is 26042098; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 8680699
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 8,680,700
Proper Divisor Sum 1
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #8680697 ← → #8680717

Radix Representation

Decimal 8680699
Binary 100001000111010011111011 (24 bits)
Octal 0o41072373
Hexadecimal 0x8474FB

Divisor Catalog (2)

Collatz Trajectory (181 steps to reach 1)

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

8,680,699 26,042,098 13,021,049 39,063,148 19,531,574 9,765,787 29,297,362 14,648,681 43,946,044 21,973,022 10,986,511 32,959,534 16,479,767 49,439,302 24,719,651 74,158,954 37,079,477 111,238,432 55,619,216 27,809,608 13,904,804 6,952,402 3,476,201 10,428,604 5,214,302 2,607,151 7,821,454 3,910,727 11,732,182 5,866,091 17,598,274 8,799,137 26,397,412 13,198,706 6,599,353 19,798,060 9,899,030 4,949,515 14,848,546 7,424,273 22,272,820 11,136,410 5,568,205 16,704,616 8,352,308 4,176,154 2,088,077 6,264,232 3,132,116 1,566,058 783,029 2,349,088 1,174,544 587,272 293,636 146,818 73,409 220,228 110,114 55,057

More profiles

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