λ
Sequence Observatory

2,307,211

29 × 79559
Deficient Odd Composite

Starting at 2,307,211, the Collatz iteration reaches 1 after 73 steps. The first transition is 6921634; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 29 × 79559
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,386,800
Proper Divisor Sum 79,589
Digit Sum / Digital Root 16 (Root: 7)
Adjacent Primes #2307197 ← → #2307229

Radix Representation

Decimal 2307211
Binary 1000110011010010001011 (22 bits)
Octal 0o10632213
Hexadecimal 0x23348B

Divisor Catalog (4)

1 29 79,559 2,307,211

Collatz Trajectory (73 steps to reach 1)

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

2,307,211 6,921,634 3,460,817 10,382,452 5,191,226 2,595,613 7,786,840 3,893,420 1,946,710 973,355 2,920,066 1,460,033 4,380,100 2,190,050 1,095,025 3,285,076 1,642,538 821,269 2,463,808 1,231,904 615,952 307,976 153,988 76,994 38,497 115,492 57,746 28,873 86,620 43,310 21,655 64,966 32,483 97,450 48,725 146,176 73,088 36,544 18,272 9,136 4,568 2,284 1,142 571 1,714 857 2,572 1,286 643 1,930 965 2,896 1,448 724 362 181 544 272 136 68

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