42,401
42,401 is a composite number, odd.
42,401 (forty-two thousand four hundred one) is an odd 5-digit number. It is a composite number with 4 divisors, and factors as 109 × 389. Written other ways, in hexadecimal, 0xA5A1.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 10,424
- Recamán's sequence
- a(150,821) = 42,401
- Square (n²)
- 1,797,844,801
- Cube (n³)
- 76,230,417,407,201
- Divisor count
- 4
- σ(n) — sum of divisors
- 42,900
- φ(n) — Euler's totient
- 41,904
- Sum of prime factors
- 498
Primality
Prime factorization: 109 × 389
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√42,401 = [205; (1, 10, 1, 3, 3, 25, 2, 3, 5, 2, 1, 4, 2, 5, 1, 57, 1, 81, 2, 1, 1, 1, 1, 3, …)]
Representations
- In words
- forty-two thousand four hundred one
- Ordinal
- 42401st
- Binary
- 1010010110100001
- Octal
- 122641
- Hexadecimal
- 0xA5A1
- Base64
- paE=
- One's complement
- 23,134 (16-bit)
- Scientific notation
- 4.2401 × 10⁴
- As a duration
- 42,401 s = 11 hours, 46 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓏺
- Greek (Milesian)
- ͵μβυαʹ
- Mayan (base 20)
- 𝋥·𝋦·𝋠·𝋡
- Chinese
- 四萬二千四百零一
- Chinese (financial)
- 肆萬貳仟肆佰零壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 42,401 = 5
- e — Euler's number (e)
- Digit 42,401 = 0
- φ — Golden ratio (φ)
- Digit 42,401 = 4
- √2 — Pythagoras's (√2)
- Digit 42,401 = 4
- ln 2 — Natural log of 2
- Digit 42,401 = 6
- γ — Euler-Mascheroni (γ)
- Digit 42,401 = 9
Also seen as
UTF-8 encoding: EA 96 A1 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.165.161.
- Address
- 0.0.165.161
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.165.161
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 42401 first appears in π at position 173,739 of the decimal expansion (the 173,739ordinal-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.