λ
Sequence Observatory

711,831

3 × 237277
Deficient Odd Composite

Starting at 711,831, the Collatz iteration reaches 1 after 97 steps. The first transition is 2135494; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 237277
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 949,112
Proper Divisor Sum 237,281
Digit Sum / Digital Root 21 (Root: 3)
Adjacent Primes #711829 ← → #711839

Radix Representation

Decimal 711831
Binary 10101101110010010111 (20 bits)
Octal 0o2556227
Hexadecimal 0xADC97

Divisor Catalog (4)

1 3 237,277 711,831

Collatz Trajectory (97 steps to reach 1)

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

711,831 2,135,494 1,067,747 3,203,242 1,601,621 4,804,864 2,402,432 1,201,216 600,608 300,304 150,152 75,076 37,538 18,769 56,308 28,154 14,077 42,232 21,116 10,558 5,279 15,838 7,919 23,758 11,879 35,638 17,819 53,458 26,729 80,188 40,094 20,047 60,142 30,071 90,214 45,107 135,322 67,661 202,984 101,492 50,746 25,373 76,120 38,060 19,030 9,515 28,546 14,273 42,820 21,410 10,705 32,116 16,058 8,029 24,088 12,044 6,022 3,011 9,034 4,517

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