Number
2,213
2,213 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 8
- Digit product
- 12
- Digital root
- 8
- Palindrome
- No
- Bit width
- 12 bits
- Reversed
- 3,122
- Recamán's sequence
- a(3,325) = 2,213
- Square (n²)
- 4,897,369
- Cube (n³)
- 10,837,877,597
- Divisor count
- 2
- σ(n) — sum of divisors
- 2,214
- φ(n) — Euler's totient
- 2,212
Primality
2,213 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 a sum of two squares:
2² + 47²
As consecutive integers:
1,106 + 1,107
Representations
- In words
- two thousand two hundred thirteen
- Ordinal
- 2213th
- Roman numeral
- MMCCXIII
- Binary
- 100010100101
- Octal
- 4245
- Hexadecimal
- 0x8A5
- Base64
- CKU=
- One's complement
- 63,322 (16-bit)
In other bases
ternary (3)
10000222
quaternary (4)
202211
quinary (5)
32323
senary (6)
14125
septenary (7)
6311
nonary (9)
3028
undecimal (11)
1732
duodecimal (12)
1345
tridecimal (13)
1013
tetradecimal (14)
b41
pentadecimal (15)
9c8
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓍢𓍢𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵βσιγʹ
- Mayan (base 20)
- 𝋥·𝋪·𝋭
- Chinese
- 二千二百一十三
- Chinese (financial)
- 貳仟貳佰壹拾參
In other modern scripts
Eastern Arabic
٢٢١٣
Devanagari
२२१३
Bengali
২২১৩
Tamil
௨௨௧௩
Thai
๒๒๑๓
Tibetan
༢༢༡༣
Khmer
២២១៣
Lao
໒໒໑໓
Burmese
၂၂၁၃
Digit at this position in famous constants
- π — Pi (π)
- Digit 2,213 = 7
- e — Euler's number (e)
- Digit 2,213 = 0
- φ — Golden ratio (φ)
- Digit 2,213 = 4
- √2 — Pythagoras's (√2)
- Digit 2,213 = 1
- ln 2 — Natural log of 2
- Digit 2,213 = 5
- γ — Euler-Mascheroni (γ)
- Digit 2,213 = 3
Also seen as
Prime neighborhood
Unicode codepoint
ࢥ
Arabic Letter Qaf With Dot Below
U+08A5
Other letter (Lo)
UTF-8 encoding: E0 A2 A5 (3 bytes).
Hex color
#0008A5
RGB(0, 8, 165)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.8.165.
- Address
- 0.0.8.165
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.8.165
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 2213 first appears in π at position 4,564 of the decimal expansion (the 4,564ordinal-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.