Recognised as Number
-1,422
- Negative
- Even
- 4 digits
-1,422 is an even 4-digit integer and the negative of 1,422. It has 12 divisors and a digital root of 9.
Number properties
ParityEvendivisible by 2
SignNegative
Absolute value1,422
Digit count4
Digit sum9
Digit product16
Multiplicative persistence2times the digit product can be taken before one digit is left
Digital root9repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 2 × 3^2 × 79
Distinct prime factors32, 3, 79
Number of divisors12
Sum of divisors σ(n)3,120
SquarefreeNohas a repeated prime factor
All divisors1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1,42212 in total
Arithmetic
Representations
Decimal-1,422
Binary1011000111011 bits
Octal2616
Hexadecimal58E
Base 3613I
In wordsminus one thousand, four hundred and twenty-two
Ordinalminus one thousand, four hundred and twenty-second
Scientific notation-1.422 × 10^3
Engineering notation-1.422 × 10^3
In other bases
Ternary1221200base 3; the most digit-efficient integer base after e: 7 digits
Quinary21142base 5; one hand: 5 digits
Septenary4101base 7: 4 digits
Nonary1850base 9; each digit is two ternary digits: 4 digits
Duodecimal9a6base 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 3 digits
Vigesimal3b2base 20; hands and feet, and the Mayan and Yoruba systems: 3 digits
Sexagesimal23:42base 60; Babylonian, and still how an hour and a circle are divided: 2 digits
Balanced ternaryT1001100digits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary111110110110base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
1111101001110010
Bit length11 bitsto write the magnitude
Set bits6the population count, or Hamming weight
Zero bits5within that length
Bit parityeven6 set bits, so even; not the same as the number itself being even
Highest set bitbit 10worth 1,024
Lowest set bitbit 11 trailing zero
Power of twoNo
Bytes205 8e
Gray code11101001001n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
16-bit1111101001110010two's complement
32-bit11111111111111111111101001110010two's complement
64-bit1111111111111111111111111111111111111111111111111111101001110010two's complement
One's complement0000010110001101at 16 bits, every bit flipped
Bits reversed0100111001011111at 16 bits
Rotated left by 11111010011100101at 16 bits, wrapping
Shifted left by 1-101100011100= -2,844, no wrap
Shifted right by 1-1011000111= -711, discarding the low bit
These bits as a double7.02561348 × 10^-321≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Powers & multiples
-1,422 to the power 22,022,084
-1,422 to the power 3-2,875,403,448
-1,422 to the power 44,088,823,703,056
-1,422 to the power 5-5,814,307,305,745,632
First ten multiples-1,422, -2,844, -4,266, -5,688, -7,110, -8,532, -9,954, -11,376, -12,798, -14,220
Powers of twoBetween 2^10 (1,024) and 2^11 (2,048)
Divisibility tests
Divisible by 2Yes
Divisible by 3Yes
Divisible by 4No, remainder 2
Divisible by 5No, remainder 2
Divisible by 6Yes
Divisible by 7No, remainder 1
Divisible by 8No, remainder 6
Divisible by 9Yes
Divisible by 10No, remainder 2
Divisible by 11No, remainder 3
Divisible by 12No, remainder 6
Divisible by 100No, remainder 22
As a percentage & fraction
As a percentage-142,200%
-1,422% as a decimal-14.22
-1,422% of 100-1,422
-1,422% of 1,000-14,220
As a fraction of 100-1,422/100
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