# Number 0

Number 0 spell 🔊, write in words: zero . Ordinal number 0th is said 🔊 and write: zeroth. The meaning of number 0 in Maths: Is Prime? Factorization and prime factors tree. The square root and cube root of 0. What is 0 in computer science, numerology, codes and images, writing and naming in other languages. Other interesting facts related to 0.

## What is 0 in other units

The decimal (Arabic) number 0 converted to a Roman number is (The Romans did not know zero). Roman and decimal number conversions.
 The number 0 converted to a Mayan number is Decimal and Mayan number conversions.

### Codes and images of the number 0

Number 0 morse code: -----
Sign language for number 0: Number 0 in braille: Images of the number Image (1) of the number Image (2) of the number  More images, other sizes, codes and colors ...

Year zero does not exist in the Anno Domini system usually used to number years in the Gregorian calendar and in its predecessor, the Julian calendar. In this system, the year 1 BC is followed by AD 1.

## Share in social networks ## Mathematics of no. 0

### Multiplications

#### Multiplication table of 0

0 multiplied by two equals 0 (0 x 2 = 0).
0 multiplied by three equals 0 (0 x 3 = 0).
0 multiplied by four equals 0 (0 x 4 = 0).
0 multiplied by five equals 0 (0 x 5 = 0).
0 multiplied by six equals 0 (0 x 6 = 0).
0 multiplied by seven equals 0 (0 x 7 = 0).
0 multiplied by eight equals 0 (0 x 8 = 0).
0 multiplied by nine equals 0 (0 x 9 = 0).
show multiplications by 6, 7, 8, 9 ...

### Calculator

 0

#### Is Prime?

The number 0 is not a prime number.

#### Powers

The second power of 02 is 0.
The third power of 03 is 0.

### Trigonometric functions

The cosine of 0 is 1.
The sine of 0 is 0.
The tangent of 0 is 0.

### Properties of the number 0

Is a Friedman number: No
Is a Fibonacci number: Yes
Is a Bell number: No
Is a palindromic number: No
Is a pentagonal number: No
Is a perfect number: No

More math properties ...

## Number 0 in Computer Science

Code typeCode value
Port 0/TCP, UDPReserved; do not use (but is a permissible source port value if the sending process does not expect messages in response)
Unix timeUnix time 0 is equal to Thursday Jan. 1, 1970, 12:00 a.m. GMT
IPv4, IPv6Number 0 internet address in dotted format v4 0.0.0.0, v6 ::
0 Decimal = 0 Binary
0 Decimal = 0 Ternary
0 Decimal = 0 Octal
0 Decimal = 0 Hexadecimal (0x0 hex)
0 BASE64MA==
0 MD5cfcd208495d565ef66e7dff9f98764da
0 SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
0 SHA224dfd5f9139a820075df69d7895015360b76d0360f3d4b77a845689614
0 SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
0 SHA3845f91550edb03f0bb8917da57f0f8818976f5da971307b7ee4886bb951c4891a1f16f840dae8f655aa5df718884ebc15b
More SHA codes related to the number 0 ...

If you know something interesting about the 0 number that you did not find on this page, do not hesitate to write us here.

## Numerology 0

In classical numerology the zero does not exists, for example 300 is reduced to the meaning of the number 3. Read more about numerology 0 ...

## Interesting facts about the number 0

### Areas, mountains and surfaces

• The total area of Monaco is 0.78 square miles (2.02 km²)
• The total area of Vatican City is 0.19 square miles (0.49 km²)

### Mathematics

• 0 is the additive identity.

### Sports

• The best athletes to wear number 0
Russell Westbrook, NBA; Al Oliver, MLB; Gilbert Arenas, NBA; Jim Otto, NFL; Robert Parish, NBA; Ken Burrough, NFL

## Number 0 in other languages

How to say or write the number zero in Spanish, German, French and other languages.
 Spanish: 🔊 (número 0) cero German: 🔊 (Anzahl 0) null French: 🔊 (nombre 0) zéro Portuguese: 🔊 (número 0) zero Chinese: 🔊 (数 0) 零 Arabian: 🔊 (عدد 0) صفر Czech: 🔊 (číslo 0) nula Korean: 🔊 (번호 0) 영 Danish: 🔊 (nummer 0) nul Hebrew: (מספר 0) אפס Dutch: 🔊 (nummer 0) nul Japanese: 🔊 (数 0) 零 Indonesian: 🔊 (jumlah 0) nol Italian: 🔊 (numero 0) zero Norwegian: 🔊 (nummer 0) null Polish: 🔊 (liczba 0) zero Russian: 🔊 (номер 0) ноль Thai: 🔊 (จำนวน 0) ศูนย์ Ukrainian: 🔊 (номер 0) нуль Vietnamese: 🔊 (con số 0) không Other languages ...

## News to email

Privacy Policy.

## Comment

If you know something interesting about any natural number (positive integer) please write us here or on facebook.