142,698
142,698 is a composite number, even.
142,698 (one hundred forty-two thousand six hundred ninety-eight) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 3 × 17 × 1,399. Its proper divisors sum to 159,702, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22D6A.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 30
- Digit product
- 3,456
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 896,241
- Recamán's sequence
- a(223,020) = 142,698
- Square (n²)
- 20,362,719,204
- Cube (n³)
- 2,905,719,304,972,392
- Divisor count
- 16
- σ(n) — sum of divisors
- 302,400
- φ(n) — Euler's totient
- 44,736
- Sum of prime factors
- 1,421
Primality
Prime factorization: 2 × 3 × 17 × 1399
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,698 = [377; (1, 3, 15, 1, 4, 1, 2, 3, 28, 1, 3, 6, 6, 1, 1, 1, 4, 1, 4, 1, 2, 4, 8, 1, …)]
Period length 54 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand six hundred ninety-eight
- Ordinal
- 142698th
- Binary
- 100010110101101010
- Octal
- 426552
- Hexadecimal
- 0x22D6A
- Base64
- Ai1q
- One's complement
- 4,294,824,597 (32-bit)
- Scientific notation
- 1.42698 × 10⁵
- As a duration
- 142,698 s = 1 day, 15 hours, 38 minutes, 18 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβχϟηʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋮·𝋲
- Chinese
- 一十四萬二千六百九十八
- Chinese (financial)
- 壹拾肆萬貳仟陸佰玖拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142698, here are decompositions:
- 41 + 142657 = 142698
- 79 + 142619 = 142698
- 89 + 142609 = 142698
- 97 + 142601 = 142698
- 107 + 142591 = 142698
- 109 + 142589 = 142698
- 131 + 142567 = 142698
- 139 + 142559 = 142698
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B5 AA (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.45.106.
- Address
- 0.2.45.106
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.45.106
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 142,698 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 142698 first appears in π at position 711,990 of the decimal expansion (the 711,990ordinal-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°.