Number
2,113
2,113 is a prime, odd.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 7
- Digit product
- 6
- Digital root
- 7
- Palindrome
- No
- Bit width
- 12 bits
- Reversed
- 3,112
- Recamán's sequence
- a(3,525) = 2,113
- Square (n²)
- 4,464,769
- Cube (n³)
- 9,434,056,897
- Divisor count
- 2
- σ(n) — sum of divisors
- 2,114
- φ(n) — Euler's totient
- 2,112
Primality
2,113 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:
32² + 33²
As consecutive integers:
1,056 + 1,057
Representations
- In words
- two thousand one hundred thirteen
- Ordinal
- 2113th
- Roman numeral
- MMCXIII
- Binary
- 100001000001
- Octal
- 4101
- Hexadecimal
- 0x841
- Base64
- CEE=
- One's complement
- 63,422 (16-bit)
In other bases
ternary (3)
2220021
quaternary (4)
201001
quinary (5)
31423
senary (6)
13441
septenary (7)
6106
nonary (9)
2807
undecimal (11)
1651
duodecimal (12)
1281
tridecimal (13)
c67
tetradecimal (14)
aad
pentadecimal (15)
95d
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓍢𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵βριγʹ
- Mayan (base 20)
- 𝋥·𝋥·𝋭
- Chinese
- 二千一百一十三
- Chinese (financial)
- 貳仟壹佰壹拾參
In other modern scripts
Eastern Arabic
٢١١٣
Devanagari
२११३
Bengali
২১১৩
Tamil
௨௧௧௩
Thai
๒๑๑๓
Tibetan
༢༡༡༣
Khmer
២១១៣
Lao
໒໑໑໓
Burmese
၂၁၁၃
Digit at this position in famous constants
- π — Pi (π)
- Digit 2,113 = 9
- e — Euler's number (e)
- Digit 2,113 = 6
- φ — Golden ratio (φ)
- Digit 2,113 = 2
- √2 — Pythagoras's (√2)
- Digit 2,113 = 4
- ln 2 — Natural log of 2
- Digit 2,113 = 1
- γ — Euler-Mascheroni (γ)
- Digit 2,113 = 6
Also seen as
Prime neighborhood
Unicode codepoint
ࡁ
Mandaic Letter Ab
U+0841
Other letter (Lo)
UTF-8 encoding: E0 A1 81 (3 bytes).
Hex color
#000841
RGB(0, 8, 65)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.8.65.
- Address
- 0.0.8.65
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.8.65
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 2113 first appears in π at position 757 of the decimal expansion (the 757ordinal-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.