961,631

11 × 87421

Starting at 961,631, the Collatz iteration reaches 1 after 214 steps. The first transition is 2884894; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 11 × 87421

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,049,064

Proper Divisor Sum 87,433

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #961627 ← → #961633

Radix Representation

Decimal	961631
Binary	11101010110001011111 (20 bits)
Octal	0o3526137
Hexadecimal	0xEAC5F

Divisor Catalog (4)

1 11 87,421 961,631

Collatz Trajectory (214 steps to reach 1)

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

961,631 2,884,894 1,442,447 4,327,342 2,163,671 6,491,014 3,245,507 9,736,522 4,868,261 14,604,784 7,302,392 3,651,196 1,825,598 912,799 2,738,398 1,369,199 4,107,598 2,053,799 6,161,398 3,080,699 9,242,098 4,621,049 13,863,148 6,931,574 3,465,787 10,397,362 5,198,681 15,596,044 7,798,022 3,899,011 11,697,034 5,848,517 17,545,552 8,772,776 4,386,388 2,193,194 1,096,597 3,289,792 1,644,896 822,448 411,224 205,612 102,806 51,403 154,210 77,105 231,316 115,658 57,829 173,488 86,744 43,372 21,686 10,843 32,530 16,265 48,796 24,398 12,199 36,598

← Previous Integer #961,630 Browse Full Index Next Integer #961,632 →