142,849
142,849 is a composite number, odd.
142,849 (one hundred forty-two thousand eight hundred forty-nine) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 7 × 20,407. Written other ways, in hexadecimal, 0x22E01.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 28
- Digit product
- 2,304
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 948,241
- Recamán's sequence
- a(222,718) = 142,849
- Square (n²)
- 20,405,836,801
- Cube (n³)
- 2,914,953,381,186,049
- Divisor count
- 4
- σ(n) — sum of divisors
- 163,264
- φ(n) — Euler's totient
- 122,436
- Sum of prime factors
- 20,414
Primality
Prime factorization: 7 × 20407
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,849 = [377; (1, 20, 1, 1, 2, 29, 1, 5, 5, 1, 1, 1, 1, 14, 4, 1, 1, 1, 9, 1, 2, 2, 7, 2, …)]
Representations
- In words
- one hundred forty-two thousand eight hundred forty-nine
- Ordinal
- 142849th
- Binary
- 100010111000000001
- Octal
- 427001
- Hexadecimal
- 0x22E01
- Base64
- Ai4B
- One's complement
- 4,294,824,446 (32-bit)
- Scientific notation
- 1.42849 × 10⁵
- As a duration
- 142,849 s = 1 day, 15 hours, 40 minutes, 49 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβωμθʹ
- Mayan (base 20)
- 𝋱·𝋱·𝋢·𝋩
- Chinese
- 一十四萬二千八百四十九
- Chinese (financial)
- 壹拾肆萬貳仟捌佰肆拾玖
Also seen as
UTF-8 encoding: F0 A2 B8 81 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.46.1.
- Address
- 0.2.46.1
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.46.1
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 142,849 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 142849 first appears in π at position 339,261 of the decimal expansion (the 339,261ordinal-suffix:st 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.