2,741
2,741 is a prime, odd.
2,741 (two thousand seven hundred forty-one) is an odd 4-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in Roman numerals it is MMDCCXLI and in binary, 101010110101.
Interestingness
Properties
Primality
2,741 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√2,741 = [52; (2, 1, 4, 1, 1, 3, 5, 4, 2, 1, 3, 20, 1, 2, 25, 1, 5, 5, 14, 1, 3, 3, 1, 14, …)]
Period length 43 — the block in parentheses repeats forever.
Representations
- In words
- two thousand seven hundred forty-one
- Ordinal
- 2741st
- Roman numeral
- MMDCCXLI
- Binary
- 101010110101
- Octal
- 5265
- Hexadecimal
- 0xAB5
- Base64
- CrU=
- One's complement
- 62,794 (16-bit)
- Scientific notation
- 2.741 × 10³
- As a duration
- 2,741 s = 45 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵βψμαʹ
- Mayan (base 20)
- 𝋦·𝋱·𝋡
- Chinese
- 二千七百四十一
- Chinese (financial)
- 貳仟柒佰肆拾壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 2,741 = 1
- e — Euler's number (e)
- Digit 2,741 = 4
- φ — Golden ratio (φ)
- Digit 2,741 = 8
- √2 — Pythagoras's (√2)
- Digit 2,741 = 4
- ln 2 — Natural log of 2
- Digit 2,741 = 6
- γ — Euler-Mascheroni (γ)
- Digit 2,741 = 3
Also seen as
UTF-8 encoding: E0 AA B5 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.10.181.
- Address
- 0.0.10.181
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.10.181
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 2,741 Hz is closest to:
- Concert pitch (A4 = 440 Hz): F7 (2793.8 Hz, -33¢)
- Scientific pitch (C4 = 256 Hz): F7 (2733.8 Hz, +5¢)
- Baroque pitch (A4 = 415 Hz): F♯7 (2791.8 Hz, -32¢)
The digit sequence 2741 first appears in π at position 24,756 of the decimal expansion (the 24,756ordinal-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.