142,320
142,320 is a composite number, even.
142,320 (one hundred forty-two thousand three hundred twenty) is an even 6-digit number. It is a composite number with 40 divisors, and factors as 2⁴ × 3 × 5 × 593. Its proper divisors sum to 299,616, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22BF0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 12
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 23,241
- Recamán's sequence
- a(39,952) = 142,320
- Square (n²)
- 20,254,982,400
- Cube (n³)
- 2,882,689,095,168,000
- Divisor count
- 40
- σ(n) — sum of divisors
- 441,936
- φ(n) — Euler's totient
- 37,888
- Sum of prime factors
- 609
Primality
Prime factorization: 2 4 × 3 × 5 × 593
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,320 = [377; (3, 1, 18, 1, 1, 2, 10, 4, 2, 1, 2, 1, 1, 46, 1, 1, 2, 1, 2, 4, 10, 2, 1, 1, …)]
Period length 28 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand three hundred twenty
- Ordinal
- 142320th
- Binary
- 100010101111110000
- Octal
- 425760
- Hexadecimal
- 0x22BF0
- Base64
- Aivw
- One's complement
- 4,294,824,975 (32-bit)
- Scientific notation
- 1.4232 × 10⁵
- As a duration
- 142,320 s = 1 day, 15 hours, 32 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ρμβτκʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋰·𝋠
- Chinese
- 一十四萬二千三百二十
- Chinese (financial)
- 壹拾肆萬貳仟參佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142320, here are decompositions:
- 23 + 142297 = 142320
- 83 + 142237 = 142320
- 89 + 142231 = 142320
- 97 + 142223 = 142320
- 103 + 142217 = 142320
- 109 + 142211 = 142320
- 127 + 142193 = 142320
- 131 + 142189 = 142320
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 AF B0 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.240.
- Address
- 0.2.43.240
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.43.240
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 142,320 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 142320 first appears in π at position 732,995 of the decimal expansion (the 732,995ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.