142,802
142,802 is a composite number, even.
142,802 (one hundred forty-two thousand eight hundred two) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 11 × 6,491. Written other ways, in hexadecimal, 0x22DD2.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 208,241
- Recamán's sequence
- a(222,812) = 142,802
- Square (n²)
- 20,392,411,204
- Cube (n³)
- 2,912,077,104,753,608
- Divisor count
- 8
- σ(n) — sum of divisors
- 233,712
- φ(n) — Euler's totient
- 64,900
- Sum of prime factors
- 6,504
Primality
Prime factorization: 2 × 11 × 6491
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,802 = [377; (1, 8, 4, 1, 1, 2, 1, 1, 43, 1, 7, 15, 1, 21, 3, 2, 3, 2, 17, 1, 376, 1, 17, 2, …)]
Period length 42 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand eight hundred two
- Ordinal
- 142802nd
- Binary
- 100010110111010010
- Octal
- 426722
- Hexadecimal
- 0x22DD2
- Base64
- Ai3S
- One's complement
- 4,294,824,493 (32-bit)
- Scientific notation
- 1.42802 × 10⁵
- As a duration
- 142,802 s = 1 day, 15 hours, 40 minutes, 2 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺
- Greek (Milesian)
- ͵ρμβωβʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋠·𝋢
- Chinese
- 一十四萬二千八百零二
- Chinese (financial)
- 壹拾肆萬貳仟捌佰零貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142802, here are decompositions:
- 3 + 142799 = 142802
- 13 + 142789 = 142802
- 31 + 142771 = 142802
- 43 + 142759 = 142802
- 103 + 142699 = 142802
- 193 + 142609 = 142802
- 211 + 142591 = 142802
- 229 + 142573 = 142802
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B7 92 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.45.210.
- Address
- 0.2.45.210
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.45.210
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 142,802 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 142802 first appears in π at position 18,305 of the decimal expansion (the 18,305ordinal-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.