λ
Sequence Observatory

6,207,143

6207143
Deficient Odd Prime

Starting at 6,207,143, the Collatz iteration reaches 1 after 196 steps. The first transition is 18621430; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 6207143
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 6,207,144
Proper Divisor Sum 1
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #6207139 ← → #6207163

Radix Representation

Decimal 6207143
Binary 10111101011011010100111 (23 bits)
Octal 0o27533247
Hexadecimal 0x5EB6A7

Divisor Catalog (2)

Collatz Trajectory (196 steps to reach 1)

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

6,207,143 18,621,430 9,310,715 27,932,146 13,966,073 41,898,220 20,949,110 10,474,555 31,423,666 15,711,833 47,135,500 23,567,750 11,783,875 35,351,626 17,675,813 53,027,440 26,513,720 13,256,860 6,628,430 3,314,215 9,942,646 4,971,323 14,913,970 7,456,985 22,370,956 11,185,478 5,592,739 16,778,218 8,389,109 25,167,328 12,583,664 6,291,832 3,145,916 1,572,958 786,479 2,359,438 1,179,719 3,539,158 1,769,579 5,308,738 2,654,369 7,963,108 3,981,554 1,990,777 5,972,332 2,986,166 1,493,083 4,479,250 2,239,625 6,718,876 3,359,438 1,679,719 5,039,158 2,519,579 7,558,738 3,779,369 11,338,108 5,669,054 2,834,527 8,503,582

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