λ
Sequence Observatory

5,272,123

5272123
Deficient Odd Prime

Starting at 5,272,123, the Collatz iteration reaches 1 after 201 steps. The first transition is 15816370; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 5272123
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 5,272,124
Proper Divisor Sum 1
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #5272121 ← → #5272147

Radix Representation

Decimal 5272123
Binary 10100000111001000111011 (23 bits)
Octal 0o24071073
Hexadecimal 0x50723B

Divisor Catalog (2)

Collatz Trajectory (201 steps to reach 1)

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

5,272,123 15,816,370 7,908,185 23,724,556 11,862,278 5,931,139 17,793,418 8,896,709 26,690,128 13,345,064 6,672,532 3,336,266 1,668,133 5,004,400 2,502,200 1,251,100 625,550 312,775 938,326 469,163 1,407,490 703,745 2,111,236 1,055,618 527,809 1,583,428 791,714 395,857 1,187,572 593,786 296,893 890,680 445,340 222,670 111,335 334,006 167,003 501,010 250,505 751,516 375,758 187,879 563,638 281,819 845,458 422,729 1,268,188 634,094 317,047 951,142 475,571 1,426,714 713,357 2,140,072 1,070,036 535,018 267,509 802,528 401,264 200,632

More profiles

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