142,709
142,709 is a composite number, odd.
142,709 (one hundred forty-two thousand seven hundred nine) is an odd 6-digit number. It is a composite number with 16 divisors, and factors as 7 × 19 × 29 × 37. Written other ways, in hexadecimal, 0x22D75.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 907,241
- Recamán's sequence
- a(222,998) = 142,709
- Square (n²)
- 20,365,858,681
- Cube (n³)
- 2,906,391,326,506,829
- Divisor count
- 16
- σ(n) — sum of divisors
- 182,400
- φ(n) — Euler's totient
- 108,864
- Sum of prime factors
- 92
Primality
Prime factorization: 7 × 19 × 29 × 37
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,709 = [377; (1, 3, 3, 7, 4, 26, 1, 2, 1, 6, 1, 4, 5, 188, 1, 2, 4, 29, 1, 106, 1, 29, 4, 2, …)]
Period length 40 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand seven hundred nine
- Ordinal
- 142709th
- Binary
- 100010110101110101
- Octal
- 426565
- Hexadecimal
- 0x22D75
- Base64
- Ai11
- One's complement
- 4,294,824,586 (32-bit)
- Scientific notation
- 1.42709 × 10⁵
- As a duration
- 142,709 s = 1 day, 15 hours, 38 minutes, 29 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβψθʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋯·𝋩
- Chinese
- 一十四萬二千七百零九
- Chinese (financial)
- 壹拾肆萬貳仟柒佰零玖
Also seen as
UTF-8 encoding: F0 A2 B5 B5 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.45.117.
- Address
- 0.2.45.117
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.45.117
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 142,709 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 142709 first appears in π at position 206,827 of the decimal expansion (the 206,827ordinal-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.