4,993
4,993 is a prime, odd.
4,993 (four thousand nine hundred ninety-three) is an odd 4-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x1381.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 25
- Digit product
- 972
- Digital root
- 7
- Palindrome
- No
- Bit width
- 13 bits
- Reversed
- 3,994
- Recamán's sequence
- a(28,142) = 4,993
- Square (n²)
- 24,930,049
- Cube (n³)
- 124,475,734,657
- Divisor count
- 2
- σ(n) — sum of divisors
- 4,994
- φ(n) — Euler's totient
- 4,992
Primality
4,993 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√4,993 = [70; (1, 1, 1, 19, 1, 1, 10, 2, 1, 3, 1, 2, 1, 5, 6, 1, 1, 4, 46, 1, 7, 1, 5, 1, …)]
Representations
- In words
- four thousand nine hundred ninety-three
- Ordinal
- 4993rd
- Binary
- 1001110000001
- Octal
- 11601
- Hexadecimal
- 0x1381
- Base64
- E4E=
- One's complement
- 60,542 (16-bit)
- Scientific notation
- 4.993 × 10³
- As a duration
- 4,993 s = 1 hour, 23 minutes, 13 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹 𒌋𒌋𒁹𒁹𒁹 𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵δϡϟγʹ
- Mayan (base 20)
- 𝋬·𝋩·𝋭
- Chinese
- 四千九百九十三
- Chinese (financial)
- 肆仟玖佰玖拾參
Digit at this position in famous constants
- π — Pi (π)
- Digit 4,993 = 1
- e — Euler's number (e)
- Digit 4,993 = 6
- φ — Golden ratio (φ)
- Digit 4,993 = 8
- √2 — Pythagoras's (√2)
- Digit 4,993 = 2
- ln 2 — Natural log of 2
- Digit 4,993 = 4
- γ — Euler-Mascheroni (γ)
- Digit 4,993 = 8
Also seen as
UTF-8 encoding: E1 8E 81 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.19.129.
- Address
- 0.0.19.129
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.19.129
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 4,993 Hz is closest to:
- Concert pitch (A4 = 440 Hz): D♯8 (4978 Hz, +5¢)
- Scientific pitch (C4 = 256 Hz): D♯8 (4871 Hz, +43¢)
- Baroque pitch (A4 = 415 Hz): E8 (4974.4 Hz, +6¢)
The digit sequence 4993 first appears in π at position 5,305 of the decimal expansion (the 5,305ordinal-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.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.