142,700
142,700 is a composite number, even.
142,700 (one hundred forty-two thousand seven hundred) is an even 6-digit number. It is a composite number with 18 divisors, and factors as 2² × 5² × 1,427. Its proper divisors sum to 167,176, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22D6C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 7,241
- Recamán's sequence
- a(223,016) = 142,700
- Square (n²)
- 20,363,290,000
- Cube (n³)
- 2,905,841,483,000,000
- Divisor count
- 18
- σ(n) — sum of divisors
- 309,876
- φ(n) — Euler's totient
- 57,040
- Sum of prime factors
- 1,441
Primality
Prime factorization: 2 2 × 5 2 × 1427
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,700 = [377; (1, 3, 9, 3, 5, 4, 3, 1, 1, 5, 1, 17, 1, 1, 2, 1, 1, 1, 5, 7, 2, 1, 1, 1, …)]
Representations
- In words
- one hundred forty-two thousand seven hundred
- Ordinal
- 142700th
- Binary
- 100010110101101100
- Octal
- 426554
- Hexadecimal
- 0x22D6C
- Base64
- Ai1s
- One's complement
- 4,294,824,595 (32-bit)
- Scientific notation
- 1.427 × 10⁵
- As a duration
- 142,700 s = 1 day, 15 hours, 38 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢
- Greek (Milesian)
- ͵ρμβψʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋯·𝋠
- Chinese
- 一十四萬二千七百
- Chinese (financial)
- 壹拾肆萬貳仟柒佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142700, here are decompositions:
- 3 + 142697 = 142700
- 43 + 142657 = 142700
- 109 + 142591 = 142700
- 127 + 142573 = 142700
- 157 + 142543 = 142700
- 163 + 142537 = 142700
- 199 + 142501 = 142700
- 331 + 142369 = 142700
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B5 AC (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.45.108.
- Address
- 0.2.45.108
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.45.108
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 142,700 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 142700 first appears in π at position 303,548 of the decimal expansion (the 303,548ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.