λ
Sequence Observatory

714,781

714781
Deficient Odd Prime

Starting at 714,781, the Collatz iteration reaches 1 after 74 steps. The first transition is 2144344; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 714781
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 714,782
Proper Divisor Sum 1
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #714773 ← → #714787

Radix Representation

Decimal 714781
Binary 10101110100000011101 (20 bits)
Octal 0o2564035
Hexadecimal 0xAE81D

Divisor Catalog (2)

Collatz Trajectory (74 steps to reach 1)

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

714,781 2,144,344 1,072,172 536,086 268,043 804,130 402,065 1,206,196 603,098 301,549 904,648 452,324 226,162 113,081 339,244 169,622 84,811 254,434 127,217 381,652 190,826 95,413 286,240 143,120 71,560 35,780 17,890 8,945 26,836 13,418 6,709 20,128 10,064 5,032 2,516 1,258 629 1,888 944 472 236 118 59 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22

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