42,049
42,049 is a composite number, odd.
42,049 (forty-two thousand forty-nine) is an odd 5-digit number. It is a composite number with 4 divisors, and factors as 7 × 6,007. Written other ways, in hexadecimal, 0xA441.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 94,024
- Recamán's sequence
- a(151,525) = 42,049
- Square (n²)
- 1,768,118,401
- Cube (n³)
- 74,347,610,643,649
- Divisor count
- 4
- σ(n) — sum of divisors
- 48,064
- φ(n) — Euler's totient
- 36,036
- Sum of prime factors
- 6,014
Primality
Prime factorization: 7 × 6007
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√42,049 = [205; (17, 11, 1, 1, 1, 13, 2, 15, 1, 11, 1, 7, 8, 2, 2, 1, 1, 5, 8, 1, 14, 3, 2, 1, …)]
Representations
- In words
- forty-two thousand forty-nine
- Ordinal
- 42049th
- Binary
- 1010010001000001
- Octal
- 122101
- Hexadecimal
- 0xA441
- Base64
- pEE=
- One's complement
- 23,486 (16-bit)
- Scientific notation
- 4.2049 × 10⁴
- As a duration
- 42,049 s = 11 hours, 40 minutes, 49 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵μβμθʹ
- Mayan (base 20)
- 𝋥·𝋥·𝋢·𝋩
- Chinese
- 四萬二千零四十九
- Chinese (financial)
- 肆萬貳仟零肆拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 42,049 = 7
- e — Euler's number (e)
- Digit 42,049 = 0
- φ — Golden ratio (φ)
- Digit 42,049 = 0
- √2 — Pythagoras's (√2)
- Digit 42,049 = 3
- ln 2 — Natural log of 2
- Digit 42,049 = 5
- γ — Euler-Mascheroni (γ)
- Digit 42,049 = 1
Also seen as
UTF-8 encoding: EA 91 81 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.65.
- Address
- 0.0.164.65
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.164.65
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 42049 first appears in π at position 18,545 of the decimal expansion (the 18,545ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.