42,026
42,026 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 62,024
- Recamán's sequence
- a(151,571) = 42,026
- Square (n²)
- 1,766,184,676
- Cube (n³)
- 74,225,677,193,576
- Divisor count
- 4
- σ(n) — sum of divisors
- 63,042
- φ(n) — Euler's totient
- 21,012
- Sum of prime factors
- 21,015
Primality
Prime factorization: 2 × 21013
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- forty-two thousand twenty-six
- Ordinal
- 42026th
- Binary
- 1010010000101010
- Octal
- 122052
- Hexadecimal
- 0xA42A
- Base64
- pCo=
- One's complement
- 23,509 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒌋𒌋 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵μβκϛʹ
- Mayan (base 20)
- 𝋥·𝋥·𝋡·𝋦
- Chinese
- 四萬二千零二十六
- Chinese (financial)
- 肆萬貳仟零貳拾陸
Digit at this position in famous constants
- π — Pi (π)
- Digit 42,026 = 3
- e — Euler's number (e)
- Digit 42,026 = 5
- φ — Golden ratio (φ)
- Digit 42,026 = 9
- √2 — Pythagoras's (√2)
- Digit 42,026 = 7
- ln 2 — Natural log of 2
- Digit 42,026 = 9
- γ — Euler-Mascheroni (γ)
- Digit 42,026 = 5
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 42026, here are decompositions:
- 3 + 42023 = 42026
- 7 + 42019 = 42026
- 13 + 42013 = 42026
- 43 + 41983 = 42026
- 67 + 41959 = 42026
- 73 + 41953 = 42026
- 79 + 41947 = 42026
- 139 + 41887 = 42026
Showing the first eight; more decompositions exist.
UTF-8 encoding: EA 90 AA (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.164.42.
- Address
- 0.0.164.42
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.164.42
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.
Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.
The digit sequence 42026 first appears in π at position 121,329 of the decimal expansion (the 121,329ordinal-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.