6,989
6,989 is a composite number, odd.
6,989 (six thousand nine hundred eighty-nine) is an odd 4-digit number. It is a composite number with 4 divisors, and factors as 29 × 241. Written other ways, in hexadecimal, 0x1B4D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 32
- Digit product
- 3,888
- Digital root
- 5
- Palindrome
- No
- Bit width
- 13 bits
- Reversed
- 9,896
- Flips to (rotate 180°)
- 6,869
- Recamán's sequence
- a(177,033) = 6,989
- Square (n²)
- 48,846,121
- Cube (n³)
- 341,385,539,669
- Divisor count
- 4
- σ(n) — sum of divisors
- 7,260
- φ(n) — Euler's totient
- 6,720
- Sum of prime factors
- 270
Primality
Prime factorization: 29 × 241
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√6,989 = [83; (1, 1, 1, 1, 166)]
Period length 5 — the block in parentheses repeats forever.
Representations
- In words
- six thousand nine hundred eighty-nine
- Ordinal
- 6989th
- Binary
- 1101101001101
- Octal
- 15515
- Hexadecimal
- 0x1B4D
- Base64
- G00=
- One's complement
- 58,546 (16-bit)
- Scientific notation
- 6.989 × 10³
- As a duration
- 6,989 s = 1 hour, 56 minutes, 29 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϛϡπθʹ
- Mayan (base 20)
- 𝋱·𝋩·𝋩
- Chinese
- 六千九百八十九
- Chinese (financial)
- 陸仟玖佰捌拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 6,989 = 6
- e — Euler's number (e)
- Digit 6,989 = 5
- φ — Golden ratio (φ)
- Digit 6,989 = 2
- √2 — Pythagoras's (√2)
- Digit 6,989 = 2
- ln 2 — Natural log of 2
- Digit 6,989 = 4
- γ — Euler-Mascheroni (γ)
- Digit 6,989 = 5
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.0.27.77.
- Address
- 0.0.27.77
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.27.77
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 6,989 Hz is closest to:
- Concert pitch (A4 = 440 Hz): A8 (7040 Hz, -13¢)
- Scientific pitch (C4 = 256 Hz): A8 (6888.6 Hz, +25¢)
- Baroque pitch (A4 = 415 Hz): A♯8 (7034.8 Hz, -11¢)
The digit sequence 6989 first appears in π at position 43,894 of the decimal expansion (the 43,894ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.