4,949
4,949 is a composite number, odd.
4,949 (four thousand nine hundred forty-nine) is an odd 4-digit number. It is a composite number with 6 divisors, and factors as 7² × 101. Written other ways, in hexadecimal, 0x1355.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 26
- Digit product
- 1,296
- Digital root
- 8
- Palindrome
- No
- Bit width
- 13 bits
- Reversed
- 9,494
- Recamán's sequence
- a(28,230) = 4,949
- Square (n²)
- 24,492,601
- Cube (n³)
- 121,213,882,349
- Divisor count
- 6
- σ(n) — sum of divisors
- 5,814
- φ(n) — Euler's totient
- 4,200
- Sum of prime factors
- 115
Primality
Prime factorization: 7 2 × 101
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√4,949 = [70; (2, 1, 6, 2, 1, 2, 1, 1, 2, 3, 2, 2, 2, 3, 2, 1, 1, 2, 1, 2, 6, 1, 2, 140)]
Period length 24 — the block in parentheses repeats forever.
Representations
- In words
- four thousand nine hundred forty-nine
- Ordinal
- 4949th
- Binary
- 1001101010101
- Octal
- 11525
- Hexadecimal
- 0x1355
- Base64
- E1U=
- One's complement
- 60,586 (16-bit)
- Scientific notation
- 4.949 × 10³
- As a duration
- 4,949 s = 1 hour, 22 minutes, 29 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹 𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵δϡμθʹ
- Mayan (base 20)
- 𝋬·𝋧·𝋩
- Chinese
- 四千九百四十九
- Chinese (financial)
- 肆仟玖佰肆拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 4,949 = 9
- e — Euler's number (e)
- Digit 4,949 = 3
- φ — Golden ratio (φ)
- Digit 4,949 = 4
- √2 — Pythagoras's (√2)
- Digit 4,949 = 1
- ln 2 — Natural log of 2
- Digit 4,949 = 3
- γ — Euler-Mascheroni (γ)
- Digit 4,949 = 6
Also seen as
UTF-8 encoding: E1 8D 95 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.19.85.
- Address
- 0.0.19.85
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.19.85
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 4,949 Hz is closest to:
- Concert pitch (A4 = 440 Hz): D♯8 (4978 Hz, -10¢)
- Scientific pitch (C4 = 256 Hz): D♯8 (4871 Hz, +28¢)
- Baroque pitch (A4 = 415 Hz): E8 (4974.4 Hz, -9¢)
The digit sequence 4949 first appears in π at position 4,671 of the decimal expansion (the 4,671ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.