4,229
4,229 is a prime, odd.
4,229 (four thousand two hundred twenty-nine) is an odd 4-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x1085.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 17
- Digit product
- 144
- Digital root
- 8
- Palindrome
- No
- Bit width
- 13 bits
- Reversed
- 9,224
- Recamán's sequence
- a(1,282) = 4,229
- Square (n²)
- 17,884,441
- Cube (n³)
- 75,633,300,989
- Divisor count
- 2
- σ(n) — sum of divisors
- 4,230
- φ(n) — Euler's totient
- 4,228
Primality
4,229 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√4,229 = [65; (32, 1, 1, 32, 130)]
Period length 5 — the block in parentheses repeats forever.
Representations
- In words
- four thousand two hundred twenty-nine
- Ordinal
- 4229th
- Binary
- 1000010000101
- Octal
- 10205
- Hexadecimal
- 0x1085
- Base64
- EIU=
- One's complement
- 61,306 (16-bit)
- Scientific notation
- 4.229 × 10³
- As a duration
- 4,229 s = 1 hour, 10 minutes, 29 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹 𒌋 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵δσκθʹ
- Mayan (base 20)
- 𝋪·𝋫·𝋩
- Chinese
- 四千二百二十九
- Chinese (financial)
- 肆仟貳佰貳拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 4,229 = 4
- e — Euler's number (e)
- Digit 4,229 = 4
- φ — Golden ratio (φ)
- Digit 4,229 = 7
- √2 — Pythagoras's (√2)
- Digit 4,229 = 8
- ln 2 — Natural log of 2
- Digit 4,229 = 6
- γ — Euler-Mascheroni (γ)
- Digit 4,229 = 7
Also seen as
UTF-8 encoding: E1 82 85 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.16.133.
- Address
- 0.0.16.133
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.16.133
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 4,229 Hz is closest to:
- Concert pitch (A4 = 440 Hz): C8 (4186 Hz, +18¢)
- Scientific pitch (C4 = 256 Hz): C♯8 (4339.6 Hz, -45¢ — about midway to C8)
- Baroque pitch (A4 = 415 Hz): C♯8 (4182.9 Hz, +19¢)
The digit sequence 4229 first appears in π at position 4,796 of the decimal expansion (the 4,796ordinal-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.
Related reading
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.