142,548
142,548 is a composite number, even.
142,548 (one hundred forty-two thousand five hundred forty-eight) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 3 × 7 × 1,697. Its proper divisors sum to 237,804, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22CD4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 1,280
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 845,241
- Recamán's sequence
- a(223,320) = 142,548
- Square (n²)
- 20,319,932,304
- Cube (n³)
- 2,896,565,710,070,592
- Divisor count
- 24
- σ(n) — sum of divisors
- 380,352
- φ(n) — Euler's totient
- 40,704
- Sum of prime factors
- 1,711
Primality
Prime factorization: 2 2 × 3 × 7 × 1697
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,548 = [377; (1, 1, 4, 46, 1, 34, 1, 46, 4, 1, 1, 754)]
Period length 12 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand five hundred forty-eight
- Ordinal
- 142548th
- Binary
- 100010110011010100
- Octal
- 426324
- Hexadecimal
- 0x22CD4
- Base64
- AizU
- One's complement
- 4,294,824,747 (32-bit)
- Scientific notation
- 1.42548 × 10⁵
- As a duration
- 142,548 s = 1 day, 15 hours, 35 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβφμηʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋧·𝋨
- Chinese
- 一十四萬二千五百四十八
- Chinese (financial)
- 壹拾肆萬貳仟伍佰肆拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142548, here are decompositions:
- 5 + 142543 = 142548
- 11 + 142537 = 142548
- 19 + 142529 = 142548
- 47 + 142501 = 142548
- 79 + 142469 = 142548
- 127 + 142421 = 142548
- 157 + 142391 = 142548
- 167 + 142381 = 142548
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B3 94 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.212.
- Address
- 0.2.44.212
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.212
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 142,548 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 142548 first appears in π at position 4,583 of the decimal expansion (the 4,583ordinal-suffix:rd 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.