148,442
148,442 is a composite number, even.
148,442 (one hundred forty-eight thousand four hundred forty-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 7 × 23 × 461. Written other ways, in hexadecimal, 0x243DA.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 1,024
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 244,841
- Recamán's sequence
- a(211,532) = 148,442
- Square (n²)
- 22,035,027,364
- Cube (n³)
- 3,270,923,531,966,888
- Divisor count
- 16
- σ(n) — sum of divisors
- 266,112
- φ(n) — Euler's totient
- 60,720
- Sum of prime factors
- 493
Primality
Prime factorization: 2 × 7 × 23 × 461
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√148,442 = [385; (3, 1, 1, 4, 1, 1, 7, 2, 1, 1, 6, 1, 7, 1, 3, 1, 3, 13, 45, 3, 1, 32, 1, 3, …)]
Period length 44 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-eight thousand four hundred forty-two
- Ordinal
- 148442nd
- Binary
- 100100001111011010
- Octal
- 441732
- Hexadecimal
- 0x243DA
- Base64
- AkPa
- One's complement
- 4,294,818,853 (32-bit)
- Scientific notation
- 1.48442 × 10⁵
- As a duration
- 148,442 s = 1 day, 17 hours, 14 minutes, 2 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋𒁹 𒌋𒁹𒁹𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρμηυμβʹ
- Mayan (base 20)
- 𝋲·𝋫·𝋢·𝋢
- Chinese
- 一十四萬八千四百四十二
- Chinese (financial)
- 壹拾肆萬捌仟肆佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 148442, here are decompositions:
- 3 + 148439 = 148442
- 13 + 148429 = 148442
- 31 + 148411 = 148442
- 43 + 148399 = 148442
- 61 + 148381 = 148442
- 103 + 148339 = 148442
- 139 + 148303 = 148442
- 163 + 148279 = 148442
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A4 8F 9A (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.67.218.
- Address
- 0.2.67.218
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.67.218
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 148,442 and was likely granted around 1873.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.