Integer Profile

671,987

31 × 53 × 409

Prime factors, divisor sums, positional representations and sequence properties for 671,987. The prime factorization is 31 × 53 × 409.

Number of positive divisors: 8. Showing the recorded part of the sequence: 136.

DeficientOddComposite

Prime factorization

Factorization: 31 × 53 × 409
Distinct prime factors: 3
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 8
Divisor sum: 708,480
Proper-divisor sum: 36,493
Digit sum: 38
Digital root: 2

Number bases

Decimal: 671987
Binary: 10100100000011110011 (20 bits)
Octal: 0o2440363
Hexadecimal: 0xA40F3

Divisor catalog (8)

131534091,64312,67921,677671,987

Showing 8 of 8.

Collatz trajectory (136 steps)

Even: n → n/2; Odd: n → 3n + 1

671,9872,015,9621,007,9813,023,9441,511,972755,986377,9931,133,980566,990283,495850,486425,2431,275,730637,8651,913,596956,798478,3991,435,198717,5992,152,7981,076,3993,229,1981,614,5994,843,7982,421,8997,265,6983,632,84910,898,5485,449,2742,724,6378,173,9124,086,9562,043,4781,021,7393,065,2181,532,6094,597,8282,298,9141,149,4573,448,3721,724,186862,0932,586,2801,293,140646,570323,285969,856484,928242,464121,23260,61630,30815,1547,57722,73211,3665,68317,0508,52525,576

Showing 60 of 60.