142,689
142,689 is a composite number, odd.
142,689 (one hundred forty-two thousand six hundred eighty-nine) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 3 × 47,563. Written other ways, in hexadecimal, 0x22D61.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 30
- Digit product
- 3,456
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 986,241
- Recamán's sequence
- a(223,038) = 142,689
- Square (n²)
- 20,360,150,721
- Cube (n³)
- 2,905,169,546,228,769
- Divisor count
- 4
- σ(n) — sum of divisors
- 190,256
- φ(n) — Euler's totient
- 95,124
- Sum of prime factors
- 47,566
Primality
Prime factorization: 3 × 47563
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,689 = [377; (1, 2, 1, 7, 25, 1, 11, 1, 5, 2, 1, 2, 6, 1, 8, 4, 4, 1, 8, 1, 1, 1, 2, 1, …)]
Representations
- In words
- one hundred forty-two thousand six hundred eighty-nine
- Ordinal
- 142689th
- Binary
- 100010110101100001
- Octal
- 426541
- Hexadecimal
- 0x22D61
- Base64
- Ai1h
- One's complement
- 4,294,824,606 (32-bit)
- Scientific notation
- 1.42689 × 10⁵
- As a duration
- 142,689 s = 1 day, 15 hours, 38 minutes, 9 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβχπθʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋮·𝋩
- Chinese
- 一十四萬二千六百八十九
- Chinese (financial)
- 壹拾肆萬貳仟陸佰捌拾玖
Also seen as
UTF-8 encoding: F0 A2 B5 A1 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.45.97.
- Address
- 0.2.45.97
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.45.97
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 142,689 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 142689 first appears in π at position 310,561 of the decimal expansion (the 310,561ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.