λ
Sequence Observatory

8,611,143

3 × 1223 × 2347
Deficient Odd Composite

Starting at 8,611,143, the Collatz iteration reaches 1 after 318 steps. The first transition is 25833430; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 1223 × 2347
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 11,495,808
Proper Divisor Sum 2,884,665
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #8611139 ← → #8611147

Radix Representation

Decimal 8611143
Binary 100000110110010101000111 (24 bits)
Octal 0o40662507
Hexadecimal 0x836547

Divisor Catalog (8)

1 3 1,223 2,347 3,669 7,041 2,870,381 8,611,143

Collatz Trajectory (318 steps to reach 1)

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

8,611,143 25,833,430 12,916,715 38,750,146 19,375,073 58,125,220 29,062,610 14,531,305 43,593,916 21,796,958 10,898,479 32,695,438 16,347,719 49,043,158 24,521,579 73,564,738 36,782,369 110,347,108 55,173,554 27,586,777 82,760,332 41,380,166 20,690,083 62,070,250 31,035,125 93,105,376 46,552,688 23,276,344 11,638,172 5,819,086 2,909,543 8,728,630 4,364,315 13,092,946 6,546,473 19,639,420 9,819,710 4,909,855 14,729,566 7,364,783 22,094,350 11,047,175 33,141,526 16,570,763 49,712,290 24,856,145 74,568,436 37,284,218 18,642,109 55,926,328 27,963,164 13,981,582 6,990,791 20,972,374 10,486,187 31,458,562 15,729,281 47,187,844 23,593,922 11,796,961

More profiles

← Previous Integer #8,611,142 Browse Full Index Next Integer #8,611,144 →