142,149
142,149 is a composite number, odd.
142,149 (one hundred forty-two thousand one hundred forty-nine) is an odd 6-digit number. It is a composite number with 12 divisors, and factors as 3 × 7² × 967. Written other ways, in hexadecimal, 0x22B45.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 288
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 941,241
- Recamán's sequence
- a(39,610) = 142,149
- Square (n²)
- 20,206,338,201
- Cube (n³)
- 2,872,310,768,933,949
- Divisor count
- 12
- σ(n) — sum of divisors
- 220,704
- φ(n) — Euler's totient
- 81,144
- Sum of prime factors
- 984
Primality
Prime factorization: 3 × 7 2 × 967
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,149 = [377; (37, 1, 2, 2, 1, 6, 1, 5, 3, 1, 5, 3, 1, 2, 15, 1, 2, 7, 4, 1, 150, 188, 1, 1, …)]
Representations
- In words
- one hundred forty-two thousand one hundred forty-nine
- Ordinal
- 142149th
- Binary
- 100010101101000101
- Octal
- 425505
- Hexadecimal
- 0x22B45
- Base64
- AitF
- One's complement
- 4,294,825,146 (32-bit)
- Scientific notation
- 1.42149 × 10⁵
- As a duration
- 142,149 s = 1 day, 15 hours, 29 minutes, 9 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβρμθʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋧·𝋩
- Chinese
- 一十四萬二千一百四十九
- Chinese (financial)
- 壹拾肆萬貳仟壹佰肆拾玖
Also seen as
UTF-8 encoding: F0 A2 AD 85 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.69.
- Address
- 0.2.43.69
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.43.69
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 142,149 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 142149 first appears in π at position 56,544 of the decimal expansion (the 56,544ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.