42,920
42,920 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 2,924
- Recamán's sequence
- a(72,752) = 42,920
- Square (n²)
- 1,842,126,400
- Cube (n³)
- 79,064,065,088,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 102,600
- φ(n) — Euler's totient
- 16,128
- Sum of prime factors
- 77
Primality
Prime factorization: 2 3 × 5 × 29 × 37
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- forty-two thousand nine hundred twenty
- Ordinal
- 42920th
- Binary
- 1010011110101000
- Octal
- 123650
- Hexadecimal
- 0xA7A8
- Base64
- p6g=
- One's complement
- 22,615 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵μβϡκʹ
- Mayan (base 20)
- 𝋥·𝋧·𝋦·𝋠
- Chinese
- 四萬二千九百二十
- Chinese (financial)
- 肆萬貳仟玖佰貳拾
Digit at this position in famous constants
- π — Pi (π)
- Digit 42,920 = 9
- e — Euler's number (e)
- Digit 42,920 = 2
- φ — Golden ratio (φ)
- Digit 42,920 = 0
- √2 — Pythagoras's (√2)
- Digit 42,920 = 0
- ln 2 — Natural log of 2
- Digit 42,920 = 9
- γ — Euler-Mascheroni (γ)
- Digit 42,920 = 4
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 42920, here are decompositions:
- 19 + 42901 = 42920
- 61 + 42859 = 42920
- 67 + 42853 = 42920
- 79 + 42841 = 42920
- 127 + 42793 = 42920
- 193 + 42727 = 42920
- 211 + 42709 = 42920
- 223 + 42697 = 42920
Showing the first eight; more decompositions exist.
UTF-8 encoding: EA 9E A8 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.167.168.
- Address
- 0.0.167.168
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.167.168
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 42920 first appears in π at position 107,785 of the decimal expansion (the 107,785ordinal-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.