λ
Sequence Observatory

3,161,504

25 × 31 × 3187
Abundant Even Composite

Starting at 3,161,504, the Collatz iteration reaches 1 after 151 steps. The first transition is 1580752; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2^5 × 31 × 3187
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 6,427,008
Proper Divisor Sum 3,265,504
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #3161497 ← → #3161519

Radix Representation

Decimal 3161504
Binary 1100000011110110100000 (22 bits)
Octal 0o14036640
Hexadecimal 0x303DA0

Divisor Catalog (24)

1 2 4 8 16 31 32 62 124 248 496 992 3,187 6,374 12,748 25,496 50,992 98,797 101,984 197,594 395,188 790,376 1,580,752 3,161,504

Collatz Trajectory (151 steps to reach 1)

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

3,161,504 1,580,752 790,376 395,188 197,594 98,797 296,392 148,196 74,098 37,049 111,148 55,574 27,787 83,362 41,681 125,044 62,522 31,261 93,784 46,892 23,446 11,723 35,170 17,585 52,756 26,378 13,189 39,568 19,784 9,892 4,946 2,473 7,420 3,710 1,855 5,566 2,783 8,350 4,175 12,526 6,263 18,790 9,395 28,186 14,093 42,280 21,140 10,570 5,285 15,856 7,928 3,964 1,982 991 2,974 1,487 4,462 2,231 6,694 3,347

More profiles

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