λ
Sequence Observatory

8,087,371

8087371
Deficient Odd Prime

Starting at 8,087,371, the Collatz iteration reaches 1 after 85 steps. The first transition is 24262114; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 8087371
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 8,087,372
Proper Divisor Sum 1
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #8087363 ← → #8087383

Radix Representation

Decimal 8087371
Binary 11110110110011101001011 (23 bits)
Octal 0o36663513
Hexadecimal 0x7B674B

Divisor Catalog (2)

Collatz Trajectory (85 steps to reach 1)

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

8,087,371 24,262,114 12,131,057 36,393,172 18,196,586 9,098,293 27,294,880 13,647,440 6,823,720 3,411,860 1,705,930 852,965 2,558,896 1,279,448 639,724 319,862 159,931 479,794 239,897 719,692 359,846 179,923 539,770 269,885 809,656 404,828 202,414 101,207 303,622 151,811 455,434 227,717 683,152 341,576 170,788 85,394 42,697 128,092 64,046 32,023 96,070 48,035 144,106 72,053 216,160 108,080 54,040 27,020 13,510 6,755 20,266 10,133 30,400 15,200 7,600 3,800 1,900 950 475 1,426

More profiles

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