11,025
11,025 is a composite number, odd.
11,025 (eleven thousand twenty-five) is an odd 5-digit number. It is a composite number with 27 divisors, and factors as 3² × 5² × 7². Its proper divisors sum to 11,946, more than the number itself, making it an abundant number. It is a perfect square (105²). Written other ways, in hexadecimal, 0x2B11.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 9
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 52,011
- Recamán's sequence
- a(174,209) = 11,025
- Square (n²)
- 121,550,625
- Cube (n³)
- 1,340,095,640,625
- Square root (√n)
- 105
- Divisor count
- 27
- σ(n) — sum of divisors
- 22,971
- φ(n) — Euler's totient
- 5,040
- Sum of prime factors
- 30
Primality
Prime factorization: 3 2 × 5 2 × 7 2
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- eleven thousand twenty-five
- Ordinal
- 11025th
- Binary
- 10101100010001
- Octal
- 25421
- Hexadecimal
- 0x2B11
- Base64
- KxE=
- One's complement
- 54,510 (16-bit)
- Scientific notation
- 1.1025 × 10⁴
- As a duration
- 11,025 s = 3 hours, 3 minutes, 45 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ιακεʹ
- Mayan (base 20)
- 𝋡·𝋧·𝋫·𝋥
- Chinese
- 一萬一千零二十五
- Chinese (financial)
- 壹萬壹仟零貳拾伍
Digit at this position in famous constants
- π — Pi (π)
- Digit 11,025 = 2
- e — Euler's number (e)
- Digit 11,025 = 8
- φ — Golden ratio (φ)
- Digit 11,025 = 9
- √2 — Pythagoras's (√2)
- Digit 11,025 = 9
- ln 2 — Natural log of 2
- Digit 11,025 = 4
- γ — Euler-Mascheroni (γ)
- Digit 11,025 = 4
Also seen as
UTF-8 encoding: E2 AC 91 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.43.17.
- Address
- 0.0.43.17
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.43.17
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 11,025 Hz is closest to:
- Concert pitch (A4 = 440 Hz): F9 (11175.3 Hz, -23¢)
- Scientific pitch (C4 = 256 Hz): F9 (10935 Hz, +14¢)
- Baroque pitch (A4 = 415 Hz): F♯9 (11167.1 Hz, -22¢)
The digit sequence 11025 first appears in π at position 127,931 of the decimal expansion (the 127,931ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.