142,690
142,690 is a composite number, even.
142,690 (one hundred forty-two thousand six hundred ninety) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 5 × 19 × 751. Written other ways, in hexadecimal, 0x22D62.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 22
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 96,241
- Recamán's sequence
- a(223,036) = 142,690
- Square (n²)
- 20,360,436,100
- Cube (n³)
- 2,905,230,627,109,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 270,720
- φ(n) — Euler's totient
- 54,000
- Sum of prime factors
- 777
Primality
Prime factorization: 2 × 5 × 19 × 751
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,690 = [377; (1, 2, 1, 8, 1, 1, 2, 1, 2, 1, 8, 1, 4, 1, 23, 1, 1, 5, 1, 2, 1, 3, 53, 1, …)]
Representations
- In words
- one hundred forty-two thousand six hundred ninety
- Ordinal
- 142690th
- Binary
- 100010110101100010
- Octal
- 426542
- Hexadecimal
- 0x22D62
- Base64
- Ai1i
- One's complement
- 4,294,824,605 (32-bit)
- Scientific notation
- 1.4269 × 10⁵
- As a duration
- 142,690 s = 1 day, 15 hours, 38 minutes, 10 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρμβχϟʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋮·𝋪
- Chinese
- 一十四萬二千六百九十
- Chinese (financial)
- 壹拾肆萬貳仟陸佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142690, here are decompositions:
- 17 + 142673 = 142690
- 71 + 142619 = 142690
- 83 + 142607 = 142690
- 89 + 142601 = 142690
- 101 + 142589 = 142690
- 131 + 142559 = 142690
- 137 + 142553 = 142690
- 257 + 142433 = 142690
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B5 A2 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.45.98.
- Address
- 0.2.45.98
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.45.98
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 142,690 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 142690 first appears in π at position 556,959 of the decimal expansion (the 556,959ordinal-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.