142,072
142,072 is a composite number, even.
142,072 (one hundred forty-two thousand seventy-two) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 7 × 43 × 59. Its proper divisors sum to 174,728, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22AF8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 270,241
- Recamán's sequence
- a(484,683) = 142,072
- Square (n²)
- 20,184,453,184
- Cube (n³)
- 2,867,645,632,757,248
- Divisor count
- 32
- σ(n) — sum of divisors
- 316,800
- φ(n) — Euler's totient
- 58,464
- Sum of prime factors
- 115
Primality
Prime factorization: 2 3 × 7 × 43 × 59
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,072 = [376; (1, 12, 4, 2, 2, 3, 2, 83, 3, 12, 1, 8, 2, 1, 1, 1, 1, 1, 2, 8, 1, 12, 3, 83, …)]
Period length 32 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand seventy-two
- Ordinal
- 142072nd
- Binary
- 100010101011111000
- Octal
- 425370
- Hexadecimal
- 0x22AF8
- Base64
- Air4
- One's complement
- 4,294,825,223 (32-bit)
- Scientific notation
- 1.42072 × 10⁵
- As a duration
- 142,072 s = 1 day, 15 hours, 27 minutes, 52 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρμβοβʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋣·𝋬
- Chinese
- 一十四萬二千零七十二
- Chinese (financial)
- 壹拾肆萬貳仟零柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142072, here are decompositions:
- 5 + 142067 = 142072
- 11 + 142061 = 142072
- 23 + 142049 = 142072
- 41 + 142031 = 142072
- 53 + 142019 = 142072
- 101 + 141971 = 142072
- 113 + 141959 = 142072
- 131 + 141941 = 142072
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 AB B8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.42.248.
- Address
- 0.2.42.248
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.42.248
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 142,072 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 142072 first appears in π at position 628,490 of the decimal expansion (the 628,490ordinal-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.