142,252
142,252 is a composite number, even.
142,252 (one hundred forty-two thousand two hundred fifty-two) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 11 × 53 × 61. Written other ways, in hexadecimal, 0x22BAC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 160
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 252,241
- Recamán's sequence
- a(39,816) = 142,252
- Square (n²)
- 20,235,631,504
- Cube (n³)
- 2,878,559,052,707,008
- Divisor count
- 24
- σ(n) — sum of divisors
- 281,232
- φ(n) — Euler's totient
- 62,400
- Sum of prime factors
- 129
Primality
Prime factorization: 2 2 × 11 × 53 × 61
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,252 = [377; (6, 7, 1, 1, 1, 1, 3, 2, 3, 188, 3, 2, 3, 1, 1, 1, 1, 7, 6, 754)]
Period length 20 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand two hundred fifty-two
- Ordinal
- 142252nd
- Binary
- 100010101110101100
- Octal
- 425654
- Hexadecimal
- 0x22BAC
- Base64
- Aius
- One's complement
- 4,294,825,043 (32-bit)
- Scientific notation
- 1.42252 × 10⁵
- As a duration
- 142,252 s = 1 day, 15 hours, 30 minutes, 52 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρμβσνβʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋬·𝋬
- Chinese
- 一十四萬二千二百五十二
- Chinese (financial)
- 壹拾肆萬貳仟貳佰伍拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142252, here are decompositions:
- 29 + 142223 = 142252
- 41 + 142211 = 142252
- 59 + 142193 = 142252
- 83 + 142169 = 142252
- 101 + 142151 = 142252
- 191 + 142061 = 142252
- 233 + 142019 = 142252
- 281 + 141971 = 142252
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 AE AC (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.172.
- Address
- 0.2.43.172
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.43.172
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 142,252 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 142252 first appears in π at position 495,421 of the decimal expansion (the 495,421ordinal-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.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.