λ
Sequence Observatory

5,156,367

3 × 1718789
Deficient Odd Composite

Starting at 5,156,367, the Collatz iteration reaches 1 after 219 steps. The first transition is 15469102; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 1718789
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 6,875,160
Proper Divisor Sum 1,718,793
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #5156363 ← → #5156383

Radix Representation

Decimal 5156367
Binary 10011101010111000001111 (23 bits)
Octal 0o23527017
Hexadecimal 0x4EAE0F

Divisor Catalog (4)

1 3 1,718,789 5,156,367

Collatz Trajectory (219 steps to reach 1)

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

5,156,367 15,469,102 7,734,551 23,203,654 11,601,827 34,805,482 17,402,741 52,208,224 26,104,112 13,052,056 6,526,028 3,263,014 1,631,507 4,894,522 2,447,261 7,341,784 3,670,892 1,835,446 917,723 2,753,170 1,376,585 4,129,756 2,064,878 1,032,439 3,097,318 1,548,659 4,645,978 2,322,989 6,968,968 3,484,484 1,742,242 871,121 2,613,364 1,306,682 653,341 1,960,024 980,012 490,006 245,003 735,010 367,505 1,102,516 551,258 275,629 826,888 413,444 206,722 103,361 310,084 155,042 77,521 232,564 116,282 58,141 174,424 87,212 43,606 21,803 65,410 32,705

More profiles

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