λ
Sequence Observatory

5,471,031

3 × 19 × 53 × 1811
Deficient Odd Composite

Starting at 5,471,031, the Collatz iteration reaches 1 after 219 steps. The first transition is 16413094; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 3 × 19 × 53 × 1811
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 7,827,840
Proper Divisor Sum 2,356,809
Digit Sum / Digital Root 21 (Root: 3)
Adjacent Primes #5471023 ← → #5471041

Radix Representation

Decimal 5471031
Binary 10100110111101100110111 (23 bits)
Octal 0o24675467
Hexadecimal 0x537B37

Divisor Catalog (16)

1 3 19 53 57 159 1,007 1,811 3,021 5,433 34,409 95,983 103,227 287,949 1,823,677 5,471,031

Collatz Trajectory (219 steps to reach 1)

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

5,471,031 16,413,094 8,206,547 24,619,642 12,309,821 36,929,464 18,464,732 9,232,366 4,616,183 13,848,550 6,924,275 20,772,826 10,386,413 31,159,240 15,579,620 7,789,810 3,894,905 11,684,716 5,842,358 2,921,179 8,763,538 4,381,769 13,145,308 6,572,654 3,286,327 9,858,982 4,929,491 14,788,474 7,394,237 22,182,712 11,091,356 5,545,678 2,772,839 8,318,518 4,159,259 12,477,778 6,238,889 18,716,668 9,358,334 4,679,167 14,037,502 7,018,751 21,056,254 10,528,127 31,584,382 15,792,191 47,376,574 23,688,287 71,064,862 35,532,431 106,597,294 53,298,647 159,895,942 79,947,971 239,843,914 119,921,957 359,765,872 179,882,936 89,941,468 44,970,734

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