Number
2,143
2,143 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 10
- Digit product
- 24
- Digital root
- 1
- Palindrome
- No
- Bit width
- 12 bits
- Reversed
- 3,412
- Recamán's sequence
- a(3,465) = 2,143
- Square (n²)
- 4,592,449
- Cube (n³)
- 9,841,618,207
- Divisor count
- 2
- σ(n) — sum of divisors
- 2,144
- φ(n) — Euler's totient
- 2,142
Primality
2,143 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Aliquot sum (sum of proper divisors):
1
First multiples
Sums & aliquot sequence
As consecutive integers:
1,071 + 1,072
Representations
- In words
- two thousand one hundred forty-three
- Ordinal
- 2143rd
- Roman numeral
- MMCXLIII
- Binary
- 100001011111
- Octal
- 4137
- Hexadecimal
- 0x85F
- Base64
- CF8=
- One's complement
- 63,392 (16-bit)
In other bases
ternary (3)
2221101
quaternary (4)
201133
quinary (5)
32033
senary (6)
13531
septenary (7)
6151
nonary (9)
2841
undecimal (11)
1679
duodecimal (12)
12a7
tridecimal (13)
c8b
tetradecimal (14)
ad1
pentadecimal (15)
97d
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵βρμγʹ
- Mayan (base 20)
- 𝋥·𝋧·𝋣
- Chinese
- 二千一百四十三
- Chinese (financial)
- 貳仟壹佰肆拾參
In other modern scripts
Eastern Arabic
٢١٤٣
Devanagari
२१४३
Bengali
২১৪৩
Tamil
௨௧௪௩
Thai
๒๑๔๓
Tibetan
༢༡༤༣
Khmer
២១៤៣
Lao
໒໑໔໓
Burmese
၂၁၄၃
Digit at this position in famous constants
- π — Pi (π)
- Digit 2,143 = 1
- e — Euler's number (e)
- Digit 2,143 = 0
- φ — Golden ratio (φ)
- Digit 2,143 = 2
- √2 — Pythagoras's (√2)
- Digit 2,143 = 0
- ln 2 — Natural log of 2
- Digit 2,143 = 1
- γ — Euler-Mascheroni (γ)
- Digit 2,143 = 2
Also seen as
Prime neighborhood
Hex color
#00085F
RGB(0, 8, 95)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.8.95.
- Address
- 0.0.8.95
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.8.95
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 2143 first appears in π at position 23,786 of the decimal expansion (the 23,786ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.