42,036
42,036 is a composite number, even.
42,036 (forty-two thousand thirty-six) is an even 5-digit number. It is a composite number with 24 divisors, and factors as 2² × 3 × 31 × 113. Its proper divisors sum to 60,108, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xA434.
Interestingness
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 15
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 63,024
- Recamán's sequence
- a(151,551) = 42,036
- Square (n²)
- 1,767,025,296
- Cube (n³)
- 74,278,675,342,656
- Divisor count
- 24
- σ(n) — sum of divisors
- 102,144
- φ(n) — Euler's totient
- 13,440
- Sum of prime factors
- 151
Primality
Prime factorization: 2 2 × 3 × 31 × 113
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√42,036 = [205; (37, 3, 1, 1, 1, 2, 1, 3, 27, 14, 1, 1, 1, 1, 4, 2, 1, 24, 1, 15, 2, 3, 1, 2, …)]
Period length 60 — the block in parentheses repeats forever.
Representations
- In words
- forty-two thousand thirty-six
- Ordinal
- 42036th
- Binary
- 1010010000110100
- Octal
- 122064
- Hexadecimal
- 0xA434
- Base64
- pDQ=
- One's complement
- 23,499 (16-bit)
- Scientific notation
- 4.2036 × 10⁴
- As a duration
- 42,036 s = 11 hours, 40 minutes, 36 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵μβλϛʹ
- Mayan (base 20)
- 𝋥·𝋥·𝋡·𝋰
- Chinese
- 四萬二千零三十六
- Chinese (financial)
- 肆萬貳仟零參拾陸
Digit at this position in famous constants
- π — Pi (π)
- Digit 42,036 = 7
- e — Euler's number (e)
- Digit 42,036 = 2
- φ — Golden ratio (φ)
- Digit 42,036 = 7
- √2 — Pythagoras's (√2)
- Digit 42,036 = 8
- ln 2 — Natural log of 2
- Digit 42,036 = 9
- γ — Euler-Mascheroni (γ)
- Digit 42,036 = 5
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 42036, here are decompositions:
- 13 + 42023 = 42036
- 17 + 42019 = 42036
- 19 + 42017 = 42036
- 23 + 42013 = 42036
- 37 + 41999 = 42036
- 53 + 41983 = 42036
- 67 + 41969 = 42036
- 79 + 41957 = 42036
Showing the first eight; more decompositions exist.
UTF-8 encoding: EA 90 B4 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.52.
- Address
- 0.0.164.52
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.164.52
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 42036 first appears in π at position 165,085 of the decimal expansion (the 165,085ordinal-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°.