142,994
142,994 is a composite number, even.
142,994 (one hundred forty-two thousand nine hundred ninety-four) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 19 × 53 × 71. Written other ways, in hexadecimal, 0x22E92.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 29
- Digit product
- 2,592
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 499,241
- Recamán's sequence
- a(222,428) = 142,994
- Square (n²)
- 20,447,284,036
- Cube (n³)
- 2,923,838,933,443,784
- Divisor count
- 16
- σ(n) — sum of divisors
- 233,280
- φ(n) — Euler's totient
- 65,520
- Sum of prime factors
- 145
Primality
Prime factorization: 2 × 19 × 53 × 71
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,994 = [378; (6, 1, 6, 1, 15, 1, 1, 3, 6, 2, 2, 4, 2, 1, 1, 1, 2, 7, 1, 1, 2, 1, 1, 1, …)]
Representations
- In words
- one hundred forty-two thousand nine hundred ninety-four
- Ordinal
- 142994th
- Binary
- 100010111010010010
- Octal
- 427222
- Hexadecimal
- 0x22E92
- Base64
- Ai6S
- One's complement
- 4,294,824,301 (32-bit)
- Scientific notation
- 1.42994 × 10⁵
- As a duration
- 142,994 s = 1 day, 15 hours, 43 minutes, 14 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβϡϟδʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋩·𝋮
- Chinese
- 一十四萬二千九百九十四
- Chinese (financial)
- 壹拾肆萬貳仟玖佰玖拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142994, here are decompositions:
- 13 + 142981 = 142994
- 31 + 142963 = 142994
- 97 + 142897 = 142994
- 127 + 142867 = 142994
- 157 + 142837 = 142994
- 223 + 142771 = 142994
- 283 + 142711 = 142994
- 337 + 142657 = 142994
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 BA 92 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.46.146.
- Address
- 0.2.46.146
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.46.146
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 142,994 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 142994 first appears in π at position 880,244 of the decimal expansion (the 880,244ordinal-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.