42,525
42,525 is a composite number, odd.
42,525 (forty-two thousand five hundred twenty-five) is an odd 5-digit number. It is a composite number with 36 divisors, and factors as 3⁵ × 5² × 7. Its proper divisors sum to 47,747, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xA61D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 18
- Digit product
- 400
- Digital root
- 9
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 52,524
- Square (n²)
- 1,808,375,625
- Cube (n³)
- 76,901,173,453,125
- Divisor count
- 36
- σ(n) — sum of divisors
- 90,272
- φ(n) — Euler's totient
- 19,440
- Sum of prime factors
- 32
Primality
Prime factorization: 3 5 × 5 2 × 7
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√42,525 = [206; (4, 1, 1, 1, 2, 1, 1, 45, 4, 16, 4, 45, 1, 1, 2, 1, 1, 1, 4, 412)]
Period length 20 — the block in parentheses repeats forever.
Representations
- In words
- forty-two thousand five hundred twenty-five
- Ordinal
- 42525th
- Binary
- 1010011000011101
- Octal
- 123035
- Hexadecimal
- 0xA61D
- Base64
- ph0=
- One's complement
- 23,010 (16-bit)
- Scientific notation
- 4.2525 × 10⁴
- As a duration
- 42,525 s = 11 hours, 48 minutes, 45 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵μβφκεʹ
- Mayan (base 20)
- 𝋥·𝋦·𝋦·𝋥
- Chinese
- 四萬二千五百二十五
- Chinese (financial)
- 肆萬貳仟伍佰貳拾伍
Digit at this position in famous constants
- π — Pi (π)
- Digit 42,525 = 1
- e — Euler's number (e)
- Digit 42,525 = 0
- φ — Golden ratio (φ)
- Digit 42,525 = 5
- √2 — Pythagoras's (√2)
- Digit 42,525 = 0
- ln 2 — Natural log of 2
- Digit 42,525 = 8
- γ — Euler-Mascheroni (γ)
- Digit 42,525 = 2
Also seen as
UTF-8 encoding: EA 98 9D (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.166.29.
- Address
- 0.0.166.29
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.166.29
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 42525 first appears in π at position 41,411 of the decimal expansion (the 41,411ordinal-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°.