Recognised as Number
-14
- Negative
- Even
- 2 digits
-14 is an even 2-digit integer and the negative of 14. It has 4 divisors and a digital root of 5.
Number properties
ParityEvendivisible by 2
SignNegative
Absolute value14
Digit count2
Digit sum5
Digit product4
Multiplicative persistence1times the digit product can be taken before one digit is left
Digital root5repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 2 × 7
Distinct prime factors22, 7
Number of divisors4
Sum of divisors σ(n)24
SquarefreeYesno repeated prime factor
All divisors1, 2, 7, 144 in total
Arithmetic
Representations
Decimal-14
Binary11104 bits
Octal16
HexadecimalE
Base 36E
In wordsminus fourteen
Ordinalminus fourteenth
Scientific notation-1.4 × 10^1
Engineering notation-14
In other bases
Ternary112base 3; the most digit-efficient integer base after e: 3 digits
Quinary24base 5; one hand: 2 digits
Septenary20base 7: 2 digits
Nonary15base 9; each digit is two ternary digits: 2 digits
Duodecimal12base 12; divides by 2, 3, 4 and 6, which is why eggs and inches come in twelves: 2 digits
Vigesimalebase 20; hands and feet, and the Mayan and Yoruba systems: 1 digit
Sexagesimal14base 60; Babylonian, and still how an hour and a circle are divided: 1 digit
Balanced ternaryT111digits −1, 0 and +1 written T, 0 and 1; negation is swapping T and 1, so no sign is needed
Negabinary110110base −2; place values alternate 1, −2, 4, −8, so every integer has exactly one form without a sign
Bit-level
11110010
Bit length4 bitsto write the magnitude
Set bits3the population count, or Hamming weight
Zero bits1within that length
Bit parityodd3 set bits, so odd; not the same as the number itself being even
Highest set bitbit 3worth 8
Lowest set bitbit 11 trailing zero
Power of twoNo
Bytes10e
Gray code1001n XOR (n >> 1); successive values differ in exactly one bit
At each machine width
8-bit11110010two's complement
16-bit1111111111110010two's complement
32-bit11111111111111111111111111110010two's complement
64-bit1111111111111111111111111111111111111111111111111111111111110010two's complement
One's complement00001101at 8 bits, every bit flipped
Bits reversed01001111at 8 bits
Rotated left by 111100101at 8 bits, wrapping
Shifted left by 1-11100= -28, no wrap
Shifted right by 1-111= -7, discarding the low bit
These bits as a double6.91691904 × 10^-323≈IEEE-754 binary64 reinterpretation of the same 64 bits (subnormal)
Powers & multiples
-14 to the power 2196
-14 to the power 3-2,744
-14 to the power 438,416
-14 to the power 5-537,824
First ten multiples-14, -28, -42, -56, -70, -84, -98, -112, -126, -140
Powers of twoBetween 2^3 (8) and 2^4 (16)
Divisibility tests
Divisible by 2Yes
Divisible by 3No, remainder 2
Divisible by 4No, remainder 2
Divisible by 5No, remainder 4
Divisible by 6No, remainder 2
Divisible by 7Yes
Divisible by 8No, remainder 6
Divisible by 9No, remainder 5
Divisible by 10No, remainder 4
Divisible by 11No, remainder 3
Divisible by 12No, remainder 2
Divisible by 100No, remainder 14
As a percentage & fraction
As a percentage-1,400%
-14% as a decimal-0.14
-14% of 100-14
-14% of 1,000-140
As a fraction of 100-14/100
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