4,225
4,225 is a composite number, odd.
4,225 (four thousand two hundred twenty-five) is an odd 4-digit number. It is a composite number with 9 divisors, and factors as 5² × 13². It is a perfect square (65²). Written other ways, in hexadecimal, 0x1081.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 13
- Digit product
- 80
- Digital root
- 4
- Palindrome
- No
- Bit width
- 13 bits
- Reversed
- 5,224
- Recamán's sequence
- a(1,274) = 4,225
- Square (n²)
- 17,850,625
- Cube (n³)
- 75,418,890,625
- Square root (√n)
- 65
- Divisor count
- 9
- σ(n) — sum of divisors
- 5,673
- φ(n) — Euler's totient
- 3,120
- Sum of prime factors
- 36
Primality
Prime factorization: 5 2 × 13 2
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- four thousand two hundred twenty-five
- Ordinal
- 4225th
- Binary
- 1000010000001
- Octal
- 10201
- Hexadecimal
- 0x1081
- Base64
- EIE=
- One's complement
- 61,310 (16-bit)
- Scientific notation
- 4.225 × 10³
- As a duration
- 4,225 s = 1 hour, 10 minutes, 25 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹 𒌋 𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵δσκεʹ
- Mayan (base 20)
- 𝋪·𝋫·𝋥
- Chinese
- 四千二百二十五
- Chinese (financial)
- 肆仟貳佰貳拾伍
Digit at this position in famous constants
- π — Pi (π)
- Digit 4,225 = 9
- e — Euler's number (e)
- Digit 4,225 = 5
- φ — Golden ratio (φ)
- Digit 4,225 = 3
- √2 — Pythagoras's (√2)
- Digit 4,225 = 1
- ln 2 — Natural log of 2
- Digit 4,225 = 8
- γ — Euler-Mascheroni (γ)
- Digit 4,225 = 9
Also seen as
UTF-8 encoding: E1 82 81 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.16.129.
- Address
- 0.0.16.129
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.16.129
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 4,225 Hz is closest to:
- Concert pitch (A4 = 440 Hz): C8 (4186 Hz, +16¢)
- Scientific pitch (C4 = 256 Hz): C♯8 (4339.6 Hz, -46¢ — about midway to C8)
- Baroque pitch (A4 = 415 Hz): C♯8 (4182.9 Hz, +17¢)
The digit sequence 4225 first appears in π at position 1,839 of the decimal expansion (the 1,839ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.