2,975,761

19 × 156619

Starting at 2,975,761, the Collatz iteration reaches 1 after 169 steps. The first transition is 8927284; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 19 × 156619

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,132,400

Proper Divisor Sum 156,639

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #2975759 ← → #2975771

Radix Representation

Decimal	2975761
Binary	1011010110100000010001 (22 bits)
Octal	0o13264021
Hexadecimal	0x2D6811

Divisor Catalog (4)

1 19 156,619 2,975,761

Collatz Trajectory (169 steps to reach 1)

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

2,975,761 8,927,284 4,463,642 2,231,821 6,695,464 3,347,732 1,673,866 836,933 2,510,800 1,255,400 627,700 313,850 156,925 470,776 235,388 117,694 58,847 176,542 88,271 264,814 132,407 397,222 198,611 595,834 297,917 893,752 446,876 223,438 111,719 335,158 167,579 502,738 251,369 754,108 377,054 188,527 565,582 282,791 848,374 424,187 1,272,562 636,281 1,908,844 954,422 477,211 1,431,634 715,817 2,147,452 1,073,726 536,863 1,610,590 805,295 2,415,886 1,207,943 3,623,830 1,811,915 5,435,746 2,717,873 8,153,620 4,076,810

← Previous Integer #2,975,760 Browse Full Index Next Integer #2,975,762 →