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Number

4,243

4,243 is a prime, odd.

Arithmetic Number Deficient Number Odious Number Pernicious Number Prime Squarefree Twin Prime

Properties

Parity
Odd
Digit count
4
Digit sum
13
Digit product
96
Digital root
4
Palindrome
No
Bit width
13 bits
Reversed
3,424
Square (n²)
18,003,049
Cube (n³)
76,386,936,907
Divisor count
2
σ(n) — sum of divisors
4,244
φ(n) — Euler's totient
4,242

Primality

4,243 is prime. It has exactly two divisors: 1 and itself.

Divisors & multiples

All divisors (2)
1 · 4243
Aliquot sum (sum of proper divisors): 1
Factor pairs (a × b = 4,243)
1 × 4243
First multiples
4,243 · 8,486 (double) · 12,729 · 16,972 · 21,215 · 25,458 · 29,701 · 33,944 · 38,187 · 42,430

Sums & aliquot sequence

As consecutive integers: 2,121 + 2,122

Representations

In words
four thousand two hundred forty-three
Ordinal
4243rd
Binary
1000010010011
Octal
10223
Hexadecimal
0x1093
Base64
EJM=
One's complement
61,292 (16-bit)
In other bases
ternary (3) 12211011
quaternary (4) 1002103
quinary (5) 113433
senary (6) 31351
septenary (7) 15241
nonary (9) 5734
undecimal (11) 3208
duodecimal (12) 2557
tridecimal (13) 1c15
tetradecimal (14) 1791
pentadecimal (15) 13cd

Historical numeral systems

Babylonian (base 60)
𒁹 𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian)
͵δσμγʹ
Mayan (base 20)
𝋪·𝋬·𝋣
Chinese
四千二百四十三
Chinese (financial)
肆仟貳佰肆拾參
In other modern scripts
Eastern Arabic ٤٢٤٣ Devanagari ४२४३ Bengali ৪২৪৩ Tamil ௪௨௪௩ Thai ๔๒๔๓ Tibetan ༤༢༤༣ Khmer ៤២៤៣ Lao ໔໒໔໓ Burmese ၄၂၄၃

Digit at this position in famous constants

π — Pi (π)
Digit 4,243 = 4
e — Euler's number (e)
Digit 4,243 = 2
φ — Golden ratio (φ)
Digit 4,243 = 9
√2 — Pythagoras's (√2)
Digit 4,243 = 9
ln 2 — Natural log of 2
Digit 4,243 = 2
γ — Euler-Mascheroni (γ)
Digit 4,243 = 0

Also seen as

Prime neighborhood

Adjacent primes:

  • Previous prime: 4,241 (gap of 2)
  • Next prime: 4,253 (gap of 10)

Pair status: twin with 4241.

Unicode codepoint
Myanmar Shan Digit Three
U+1093
Decimal digit (Nd)

UTF-8 encoding: E1 82 93 (3 bytes).

Hex color
#001093
RGB(0, 16, 147)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.16.147.

Address
0.0.16.147
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.16.147

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Position in π

The digit sequence 4243 first appears in π at position 12,188 of the decimal expansion (the 12,188ordinal-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.