λ
Sequence Observatory

192,887

192887
Deficient Odd Prime

Starting at 192,887, the Collatz iteration reaches 1 after 191 steps. The first transition is 578662; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 192887
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 192,888
Proper Divisor Sum 1
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #192883 ← → #192889

Radix Representation

Decimal 192887
Binary 101111000101110111 (18 bits)
Octal 0o570567
Hexadecimal 0x2F177

Divisor Catalog (2)

Collatz Trajectory (191 steps to reach 1)

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

192,887 578,662 289,331 867,994 433,997 1,301,992 650,996 325,498 162,749 488,248 244,124 122,062 61,031 183,094 91,547 274,642 137,321 411,964 205,982 102,991 308,974 154,487 463,462 231,731 695,194 347,597 1,042,792 521,396 260,698 130,349 391,048 195,524 97,762 48,881 146,644 73,322 36,661 109,984 54,992 27,496 13,748 6,874 3,437 10,312 5,156 2,578 1,289 3,868 1,934 967 2,902 1,451 4,354 2,177 6,532 3,266 1,633 4,900 2,450 1,225

More profiles

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