λ
Sequence Observatory

1,289,079

32 × 11 × 29 × 449
Deficient Odd Composite

Starting at 1,289,079, the Collatz iteration reaches 1 after 98 steps. The first transition is 3867238; the starting value is odd with 24 positive divisors.

Prime Factor Structure

Factorization String 3^2 × 11 × 29 × 449
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 2,106,000
Proper Divisor Sum 816,921
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #1289077 ← → #1289083

Radix Representation

Decimal 1289079
Binary 100111010101101110111 (21 bits)
Octal 0o4725567
Hexadecimal 0x13AB77

Divisor Catalog (24)

1 3 9 11 29 33 87 99 261 319 449 957 1,347 2,871 4,041 4,939 13,021 14,817 39,063 44,451 117,189 143,231 429,693 1,289,079

Collatz Trajectory (98 steps to reach 1)

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

1,289,079 3,867,238 1,933,619 5,800,858 2,900,429 8,701,288 4,350,644 2,175,322 1,087,661 3,262,984 1,631,492 815,746 407,873 1,223,620 611,810 305,905 917,716 458,858 229,429 688,288 344,144 172,072 86,036 43,018 21,509 64,528 32,264 16,132 8,066 4,033 12,100 6,050 3,025 9,076 4,538 2,269 6,808 3,404 1,702 851 2,554 1,277 3,832 1,916 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367

More profiles

← Previous Integer #1,289,078 Browse Full Index Next Integer #1,289,080 →