λ
Sequence Observatory

5,423,171

13 × 31 × 13457
Deficient Odd Composite

Starting at 5,423,171, the Collatz iteration reaches 1 after 250 steps. The first transition is 16269514; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 13 × 31 × 13457
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 6,029,184
Proper Divisor Sum 606,013
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #5423167 ← → #5423177

Radix Representation

Decimal 5423171
Binary 10100101100000001000011 (23 bits)
Octal 0o24540103
Hexadecimal 0x52C043

Divisor Catalog (8)

1 13 31 403 13,457 174,941 417,167 5,423,171

Collatz Trajectory (250 steps to reach 1)

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

5,423,171 16,269,514 8,134,757 24,404,272 12,202,136 6,101,068 3,050,534 1,525,267 4,575,802 2,287,901 6,863,704 3,431,852 1,715,926 857,963 2,573,890 1,286,945 3,860,836 1,930,418 965,209 2,895,628 1,447,814 723,907 2,171,722 1,085,861 3,257,584 1,628,792 814,396 407,198 203,599 610,798 305,399 916,198 458,099 1,374,298 687,149 2,061,448 1,030,724 515,362 257,681 773,044 386,522 193,261 579,784 289,892 144,946 72,473 217,420 108,710 54,355 163,066 81,533 244,600 122,300 61,150 30,575 91,726 45,863 137,590 68,795 206,386

More profiles

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