λ
Sequence Observatory

8,104,987

11 × 736817
Deficient Odd Composite

Starting at 8,104,987, the Collatz iteration reaches 1 after 186 steps. The first transition is 24314962; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 11 × 736817
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 8,841,816
Proper Divisor Sum 736,829
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #8104933 ← → #8104991

Radix Representation

Decimal 8104987
Binary 11110111010110000011011 (23 bits)
Octal 0o36726033
Hexadecimal 0x7BAC1B

Divisor Catalog (4)

1 11 736,817 8,104,987

Collatz Trajectory (186 steps to reach 1)

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

8,104,987 24,314,962 12,157,481 36,472,444 18,236,222 9,118,111 27,354,334 13,677,167 41,031,502 20,515,751 61,547,254 30,773,627 92,320,882 46,160,441 138,481,324 69,240,662 34,620,331 103,860,994 51,930,497 155,791,492 77,895,746 38,947,873 116,843,620 58,421,810 29,210,905 87,632,716 43,816,358 21,908,179 65,724,538 32,862,269 98,586,808 49,293,404 24,646,702 12,323,351 36,970,054 18,485,027 55,455,082 27,727,541 83,182,624 41,591,312 20,795,656 10,397,828 5,198,914 2,599,457 7,798,372 3,899,186 1,949,593 5,848,780 2,924,390 1,462,195 4,386,586 2,193,293 6,579,880 3,289,940 1,644,970 822,485 2,467,456 1,233,728 616,864 308,432

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