9,138,949

53 × 172433

Starting at 9,138,949, the Collatz iteration reaches 1 after 225 steps. The first transition is 27416848; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 53 × 172433

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 9,311,436

Proper Divisor Sum 172,487

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #9138947 ← → #9138967

Radix Representation

Decimal	9138949
Binary	100010110111001100000101 (24 bits)
Octal	0o42671405
Hexadecimal	0x8B7305

Divisor Catalog (4)

1 53 172,433 9,138,949

Collatz Trajectory (225 steps to reach 1)

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

9,138,949 27,416,848 13,708,424 6,854,212 3,427,106 1,713,553 5,140,660 2,570,330 1,285,165 3,855,496 1,927,748 963,874 481,937 1,445,812 722,906 361,453 1,084,360 542,180 271,090 135,545 406,636 203,318 101,659 304,978 152,489 457,468 228,734 114,367 343,102 171,551 514,654 257,327 771,982 385,991 1,157,974 578,987 1,736,962 868,481 2,605,444 1,302,722 651,361 1,954,084 977,042 488,521 1,465,564 732,782 366,391 1,099,174 549,587 1,648,762 824,381 2,473,144 1,236,572 618,286 309,143 927,430 463,715 1,391,146 695,573 2,086,720

← Previous Integer #9,138,948 Browse Full Index Next Integer #9,138,950 →