27,420
27,420 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 15
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 15 bits
- Reversed
- 2,472
- Recamán's sequence
- a(314,520) = 27,420
- Square (n²)
- 751,856,400
- Cube (n³)
- 20,615,902,488,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 76,944
- φ(n) — Euler's totient
- 7,296
- Sum of prime factors
- 469
Primality
Prime factorization: 2 2 × 3 × 5 × 457
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- twenty-seven thousand four hundred twenty
- Ordinal
- 27420th
- Binary
- 110101100011100
- Octal
- 65434
- Hexadecimal
- 0x6B1C
- Base64
- axw=
- One's complement
- 38,115 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵κζυκʹ
- Mayan (base 20)
- 𝋣·𝋨·𝋫·𝋠
- Chinese
- 二萬七千四百二十
- Chinese (financial)
- 貳萬柒仟肆佰貳拾
Digit at this position in famous constants
- π — Pi (π)
- Digit 27,420 = 3
- e — Euler's number (e)
- Digit 27,420 = 1
- φ — Golden ratio (φ)
- Digit 27,420 = 6
- √2 — Pythagoras's (√2)
- Digit 27,420 = 0
- ln 2 — Natural log of 2
- Digit 27,420 = 7
- γ — Euler-Mascheroni (γ)
- Digit 27,420 = 4
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 27420, here are decompositions:
- 11 + 27409 = 27420
- 13 + 27407 = 27420
- 23 + 27397 = 27420
- 53 + 27367 = 27420
- 59 + 27361 = 27420
- 83 + 27337 = 27420
- 137 + 27283 = 27420
- 139 + 27281 = 27420
Showing the first eight; more decompositions exist.
UTF-8 encoding: E6 AC 9C (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.107.28.
- Address
- 0.0.107.28
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.107.28
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 27420 first appears in π at position 5,951 of the decimal expansion (the 5,951ordinal-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.