10,000
10,000 is a composite number, even.
10,000 (ten thousand) is an even 5-digit number. It is a composite number with 25 divisors, and factors as 2⁴ × 5⁴. Its proper divisors sum to 14,211, more than the number itself, making it an abundant number. It is a perfect square (100²) and a power of ten (10⁴). Written other ways, in hexadecimal, 0x2710.
Interestingness
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 1
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 1
- Flips to (rotate 180°)
- 1
- Recamán's sequence
- a(7,215) = 10,000
- Square (n²)
- 100,000,000
- Cube (n³)
- 1,000,000,000,000
- Square root (√n)
- 100
- Divisor count
- 25
- σ(n) — sum of divisors
- 24,211
- φ(n) — Euler's totient
- 4,000
- Sum of prime factors
- 28
Primality
Prime factorization: 2 4 × 5 4
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- ten thousand
- Ordinal
- 10000th
- Binary
- 10011100010000
- Octal
- 23420
- Hexadecimal
- 0x2710
- Base64
- JxA=
- One's complement
- 55,535 (16-bit)
- Scientific notation
- 1 × 10⁴
- As a duration
- 10,000 s = 2 hours, 46 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓂍
- Greek (Milesian)
- ͵ι
- Mayan (base 20)
- 𝋡·𝋥·𝋠·𝋠
- Chinese
- 一萬
- Chinese (financial)
- 壹萬
Digit at this position in famous constants
- π — Pi (π)
- Digit 10,000 = 7
- e — Euler's number (e)
- Digit 10,000 = 8
- φ — Golden ratio (φ)
- Digit 10,000 = 0
- √2 — Pythagoras's (√2)
- Digit 10,000 = 5
- ln 2 — Natural log of 2
- Digit 10,000 = 6
- γ — Euler-Mascheroni (γ)
- Digit 10,000 = 6
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 10000, here are decompositions:
- 59 + 9941 = 10000
- 71 + 9929 = 10000
- 113 + 9887 = 10000
- 149 + 9851 = 10000
- 167 + 9833 = 10000
- 197 + 9803 = 10000
- 233 + 9767 = 10000
- 251 + 9749 = 10000
Showing the first eight; more decompositions exist.
UTF-8 encoding: E2 9C 90 (3 bytes).
Code page 10000 is Mac OS Roman — Western European on classic Mac OS.
Code pages are integer identifiers used by Windows and other systems to refer to specific character encodings.
As an unsigned 32-bit integer, this is the IPv4 address 0.0.39.16.
- Address
- 0.0.39.16
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.39.16
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 10,000 Hz is closest to:
- Concert pitch (A4 = 440 Hz): D♯9 (9956.1 Hz, +8¢)
- Scientific pitch (C4 = 256 Hz): D♯9 (9742 Hz, +45¢ — about midway to E9)
- Baroque pitch (A4 = 415 Hz): E9 (9948.8 Hz, +9¢)
The digit sequence 10000 first appears in π at position 387,791 of the decimal expansion (the 387,791ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.