5,109
5,109 is a composite number, odd.
5,109 (five thousand one hundred nine) is an odd 4-digit number. It is a composite number with 8 divisors, and factors as 3 × 13 × 131. Written other ways, in hexadecimal, 0x13F5.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 15
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 13 bits
- Reversed
- 9,015
- Recamán's sequence
- a(4,994) = 5,109
- Square (n²)
- 26,101,881
- Cube (n³)
- 133,354,510,029
- Divisor count
- 8
- σ(n) — sum of divisors
- 7,392
- φ(n) — Euler's totient
- 3,120
- Sum of prime factors
- 147
Primality
Prime factorization: 3 × 13 × 131
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√5,109 = [71; (2, 10, 2, 142)]
Period length 4 — the block in parentheses repeats forever.
Representations
- In words
- five thousand one hundred nine
- Ordinal
- 5109th
- Binary
- 1001111110101
- Octal
- 11765
- Hexadecimal
- 0x13F5
- Base64
- E/U=
- One's complement
- 60,426 (16-bit)
- Scientific notation
- 5.109 × 10³
- As a duration
- 5,109 s = 1 hour, 25 minutes, 9 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓆼𓆼𓆼𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ερθʹ
- Mayan (base 20)
- 𝋬·𝋯·𝋩
- Chinese
- 五千一百零九
- Chinese (financial)
- 伍仟壹佰零玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 5,109 = 1
- e — Euler's number (e)
- Digit 5,109 = 5
- φ — Golden ratio (φ)
- Digit 5,109 = 0
- √2 — Pythagoras's (√2)
- Digit 5,109 = 2
- ln 2 — Natural log of 2
- Digit 5,109 = 4
- γ — Euler-Mascheroni (γ)
- Digit 5,109 = 1
Also seen as
UTF-8 encoding: E1 8F B5 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.19.245.
- Address
- 0.0.19.245
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.19.245
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 5,109 Hz is closest to:
- Concert pitch (A4 = 440 Hz): D♯8 (4978 Hz, +45¢ — about midway to E8)
- Scientific pitch (C4 = 256 Hz): E8 (5160.6 Hz, -17¢)
- Baroque pitch (A4 = 415 Hz): E8 (4974.4 Hz, +46¢ — about midway to F8)
The digit sequence 5109 first appears in π at position 2,513 of the decimal expansion (the 2,513ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.