4,223
4,223 is a composite number, odd.
4,223 (four thousand two hundred twenty-three) is an odd 4-digit number. It is a composite number with 4 divisors, and factors as 41 × 103. Written other ways, in hexadecimal, 0x107F.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 11
- Digit product
- 48
- Digital root
- 2
- Palindrome
- No
- Bit width
- 13 bits
- Reversed
- 3,224
- Recamán's sequence
- a(1,270) = 4,223
- Square (n²)
- 17,833,729
- Cube (n³)
- 75,311,837,567
- Divisor count
- 4
- σ(n) — sum of divisors
- 4,368
- φ(n) — Euler's totient
- 4,080
- Sum of prime factors
- 144
Primality
Prime factorization: 41 × 103
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√4,223 = [64; (1, 63, 1, 128)]
Period length 4 — the block in parentheses repeats forever.
Representations
- In words
- four thousand two hundred twenty-three
- Ordinal
- 4223rd
- Binary
- 1000001111111
- Octal
- 10177
- Hexadecimal
- 0x107F
- Base64
- EH8=
- One's complement
- 61,312 (16-bit)
- Scientific notation
- 4.223 × 10³
- As a duration
- 4,223 s = 1 hour, 10 minutes, 23 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹 𒌋 𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵δσκγʹ
- Mayan (base 20)
- 𝋪·𝋫·𝋣
- Chinese
- 四千二百二十三
- Chinese (financial)
- 肆仟貳佰貳拾參
Digit at this position in famous constants
- π — Pi (π)
- Digit 4,223 = 7
- e — Euler's number (e)
- Digit 4,223 = 8
- φ — Golden ratio (φ)
- Digit 4,223 = 8
- √2 — Pythagoras's (√2)
- Digit 4,223 = 4
- ln 2 — Natural log of 2
- Digit 4,223 = 7
- γ — Euler-Mascheroni (γ)
- Digit 4,223 = 9
Also seen as
UTF-8 encoding: E1 81 BF (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.16.127.
- Address
- 0.0.16.127
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.16.127
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 4,223 Hz is closest to:
- Concert pitch (A4 = 440 Hz): C8 (4186 Hz, +15¢)
- Scientific pitch (C4 = 256 Hz): C♯8 (4339.6 Hz, -47¢ — about midway to C8)
- Baroque pitch (A4 = 415 Hz): C♯8 (4182.9 Hz, +17¢)
The digit sequence 4223 first appears in π at position 5,141 of the decimal expansion (the 5,141ordinal-suffix:st 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.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.