149,042
149,042 is a composite number, even.
149,042 (one hundred forty-nine thousand forty-two) is an even 6-digit number. It is a composite number with 4 divisors, and factors as 2 × 74,521. Written other ways, in hexadecimal, 0x24632.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 240,941
- Recamán's sequence
- a(211,048) = 149,042
- Square (n²)
- 22,213,517,764
- Cube (n³)
- 3,310,747,114,582,088
- Divisor count
- 4
- σ(n) — sum of divisors
- 223,566
- φ(n) — Euler's totient
- 74,520
- Sum of prime factors
- 74,523
Primality
Prime factorization: 2 × 74521
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√149,042 = [386; (16, 1, 3, 1, 1, 1, 2, 5, 1, 2, 2, 1, 7, 3, 1, 6, 1, 2, 1, 4, 1, 1, 1, 11, …)]
Representations
- In words
- one hundred forty-nine thousand forty-two
- Ordinal
- 149042nd
- Binary
- 100100011000110010
- Octal
- 443062
- Hexadecimal
- 0x24632
- Base64
- AkYy
- One's complement
- 4,294,818,253 (32-bit)
- Scientific notation
- 1.49042 × 10⁵
- As a duration
- 149,042 s = 1 day, 17 hours, 24 minutes, 2 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρμθμβʹ
- Mayan (base 20)
- 𝋲·𝋬·𝋬·𝋢
- Chinese
- 一十四萬九千零四十二
- Chinese (financial)
- 壹拾肆萬玖仟零肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 149042, here are decompositions:
- 31 + 149011 = 149042
- 109 + 148933 = 149042
- 151 + 148891 = 149042
- 181 + 148861 = 149042
- 331 + 148711 = 149042
- 349 + 148693 = 149042
- 373 + 148669 = 149042
- 379 + 148663 = 149042
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A4 98 B2 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.70.50.
- Address
- 0.2.70.50
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.70.50
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 149,042 and was likely granted around 1873.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 149042 first appears in π at position 361,906 of the decimal expansion (the 361,906ordinal-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.