142,816
142,816 is a composite number, even.
142,816 (one hundred forty-two thousand eight hundred sixteen) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2⁵ × 4,463. Written other ways, in hexadecimal, 0x22DE0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 22
- Digit product
- 384
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 618,241
- Recamán's sequence
- a(222,784) = 142,816
- Square (n²)
- 20,396,409,856
- Cube (n³)
- 2,912,933,669,994,496
- Divisor count
- 12
- σ(n) — sum of divisors
- 281,232
- φ(n) — Euler's totient
- 71,392
- Sum of prime factors
- 4,473
Primality
Prime factorization: 2 5 × 4463
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,816 = [377; (1, 10, 8, 1, 1, 2, 11, 1, 1, 1, 1, 22, 3, 3, 32, 1, 1, 3, 1, 1, 2, 1, 2, 2, …)]
Representations
- In words
- one hundred forty-two thousand eight hundred sixteen
- Ordinal
- 142816th
- Binary
- 100010110111100000
- Octal
- 426740
- Hexadecimal
- 0x22DE0
- Base64
- Ai3g
- One's complement
- 4,294,824,479 (32-bit)
- Scientific notation
- 1.42816 × 10⁵
- As a duration
- 142,816 s = 1 day, 15 hours, 40 minutes, 16 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβωιϛʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋠·𝋰
- Chinese
- 一十四萬二千八百一十六
- Chinese (financial)
- 壹拾肆萬貳仟捌佰壹拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142816, here are decompositions:
- 5 + 142811 = 142816
- 17 + 142799 = 142816
- 29 + 142787 = 142816
- 59 + 142757 = 142816
- 83 + 142733 = 142816
- 197 + 142619 = 142816
- 227 + 142589 = 142816
- 257 + 142559 = 142816
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B7 A0 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.45.224.
- Address
- 0.2.45.224
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.45.224
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 142,816 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 142816 first appears in π at position 809,114 of the decimal expansion (the 809,114ordinal-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.