7,425
7,425 is a composite number, odd.
7,425 (seven thousand four hundred twenty-five) is an odd 4-digit number. It is a composite number with 24 divisors, and factors as 3³ × 5² × 11. Its proper divisors sum to 7,455, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1D01.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 18
- Digit product
- 280
- Digital root
- 9
- Palindrome
- No
- Bit width
- 13 bits
- Reversed
- 5,247
- Recamán's sequence
- a(11,177) = 7,425
- Square (n²)
- 55,130,625
- Cube (n³)
- 409,344,890,625
- Divisor count
- 24
- σ(n) — sum of divisors
- 14,880
- φ(n) — Euler's totient
- 3,600
- Sum of prime factors
- 30
Primality
Prime factorization: 3 3 × 5 2 × 11
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√7,425 = [86; (5, 1, 14, 1, 5, 172)]
Period length 6 — the block in parentheses repeats forever.
Representations
- In words
- seven thousand four hundred twenty-five
- Ordinal
- 7425th
- Binary
- 1110100000001
- Octal
- 16401
- Hexadecimal
- 0x1D01
- Base64
- HQE=
- One's complement
- 58,110 (16-bit)
- Scientific notation
- 7.425 × 10³
- As a duration
- 7,425 s = 2 hours, 3 minutes, 45 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ζυκεʹ
- Mayan (base 20)
- 𝋲·𝋫·𝋥
- Chinese
- 七千四百二十五
- Chinese (financial)
- 柒仟肆佰貳拾伍
Digit at this position in famous constants
- π — Pi (π)
- Digit 7,425 = 0
- e — Euler's number (e)
- Digit 7,425 = 9
- φ — Golden ratio (φ)
- Digit 7,425 = 0
- √2 — Pythagoras's (√2)
- Digit 7,425 = 0
- ln 2 — Natural log of 2
- Digit 7,425 = 5
- γ — Euler-Mascheroni (γ)
- Digit 7,425 = 3
Also seen as
UTF-8 encoding: E1 B4 81 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.29.1.
- Address
- 0.0.29.1
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.29.1
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 7,425 Hz is closest to:
- Concert pitch (A4 = 440 Hz): A♯8 (7458.6 Hz, -8¢)
- Scientific pitch (C4 = 256 Hz): A♯8 (7298.2 Hz, +30¢)
- Baroque pitch (A4 = 415 Hz): B8 (7453.1 Hz, -7¢)
The digit sequence 7425 first appears in π at position 7,023 of the decimal expansion (the 7,023ordinal-suffix:rd 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.