142,506
142,506 is a composite number, even.
142,506 (one hundred forty-two thousand five hundred six) is an even 6-digit number. It is a composite number with 64 divisors, and factors as 2 × 3³ × 7 × 13 × 29. Its proper divisors sum to 260,694, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22CAA.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 605,241
- Recamán's sequence
- a(223,404) = 142,506
- Square (n²)
- 20,307,960,036
- Cube (n³)
- 2,894,006,152,890,216
- Divisor count
- 64
- σ(n) — sum of divisors
- 403,200
- φ(n) — Euler's totient
- 36,288
- Sum of prime factors
- 60
Primality
Prime factorization: 2 × 3 3 × 7 × 13 × 29
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√142,506 = [377; (2, 754)]
Period length 2 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-two thousand five hundred six
- Ordinal
- 142506th
- Binary
- 100010110010101010
- Octal
- 426252
- Hexadecimal
- 0x22CAA
- Base64
- Aiyq
- One's complement
- 4,294,824,789 (32-bit)
- Scientific notation
- 1.42506 × 10⁵
- As a duration
- 142,506 s = 1 day, 15 hours, 35 minutes, 6 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρμβφϛʹ
- Mayan (base 20)
- 𝋱·𝋰·𝋥·𝋦
- Chinese
- 一十四萬二千五百零六
- Chinese (financial)
- 壹拾肆萬貳仟伍佰零陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 142506, here are decompositions:
- 5 + 142501 = 142506
- 37 + 142469 = 142506
- 53 + 142453 = 142506
- 73 + 142433 = 142506
- 79 + 142427 = 142506
- 103 + 142403 = 142506
- 137 + 142369 = 142506
- 149 + 142357 = 142506
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 B2 AA (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.44.170.
- Address
- 0.2.44.170
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.44.170
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 142,506 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 142506 first appears in π at position 886,937 of the decimal expansion (the 886,937ordinal-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°.