142,311
142,311 is a composite number, odd.
142,311 (one hundred forty-two thousand three hundred eleven) is an odd 6-digit number. It is a composite number with 16 divisors, and factors as 3 × 13 × 41 × 89. It is the 533rd triangular number. Written other ways, in hexadecimal, 0x22BE7.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 12
- Digit product
- 24
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 113,241
- Recamán's sequence
- a(39,934) = 142,311
- Square (n²)
- 20,252,420,721
- Cube (n³)
- 2,882,142,245,226,231
- Divisor count
- 16
- σ(n) — sum of divisors
- 211,680
- φ(n) — Euler's totient
- 84,480
- Sum of prime factors
- 146
Primality
Prime factorization: 3 × 13 × 41 × 89
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,311 = [377; (4, 6, 1, 14, 1, 1, 6, 1, 1, 6, 1, 1, 1, 5, 1, 29, 3, 29, 1, 5, 1, 1, 1, 6, …)]
Period length 34 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand three hundred eleven
- Ordinal
- 142311th
- Binary
- 100010101111100111
- Octal
- 425747
- Hexadecimal
- 0x22BE7
- Base64
- Aivn
- One's complement
- 4,294,824,984 (32-bit)
- Scientific notation
- 1.42311 × 10⁵
- As a duration
- 142,311 s = 1 day, 15 hours, 31 minutes, 51 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓎆𓏺
- Greek (Milesian)
- ͵ρμβτιαʹ
- Mayan (base 20)
- 𝋱·𝋯·𝋯·𝋫
- Chinese
- 一十四萬二千三百一十一
- Chinese (financial)
- 壹拾肆萬貳仟參佰壹拾壹
Also seen as
UTF-8 encoding: F0 A2 AF A7 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.43.231.
- Address
- 0.2.43.231
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.43.231
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 142,311 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Triangular numbers — 1, 3, 6, 10, 15 … the counting numbers stacked into triangles, and Gauss's famous shortcut for summing them.
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.