40,072
40,072 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 27,004
- Square (n²)
- 1,605,765,184
- Cube (n³)
- 64,346,222,453,248
- Divisor count
- 8
- σ(n) — sum of divisors
- 75,150
- φ(n) — Euler's totient
- 20,032
- Sum of prime factors
- 5,015
Primality
Prime factorization: 2 3 × 5009
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- forty thousand seventy-two
- Ordinal
- 40072nd
- Binary
- 1001110010001000
- Octal
- 116210
- Hexadecimal
- 0x9C88
- Base64
- nIg=
- One's complement
- 25,463 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵μοβʹ
- Mayan (base 20)
- 𝋥·𝋠·𝋣·𝋬
- Chinese
- 四萬零七十二
- Chinese (financial)
- 肆萬零柒拾貳
Digit at this position in famous constants
- π — Pi (π)
- Digit 40,072 = 8
- e — Euler's number (e)
- Digit 40,072 = 5
- φ — Golden ratio (φ)
- Digit 40,072 = 2
- √2 — Pythagoras's (√2)
- Digit 40,072 = 9
- ln 2 — Natural log of 2
- Digit 40,072 = 9
- γ — Euler-Mascheroni (γ)
- Digit 40,072 = 4
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 40072, here are decompositions:
- 41 + 40031 = 40072
- 59 + 40013 = 40072
- 83 + 39989 = 40072
- 89 + 39983 = 40072
- 101 + 39971 = 40072
- 233 + 39839 = 40072
- 251 + 39821 = 40072
- 281 + 39791 = 40072
Showing the first eight; more decompositions exist.
UTF-8 encoding: E9 B2 88 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.156.136.
- Address
- 0.0.156.136
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.156.136
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 40072 first appears in π at position 39,313 of the decimal expansion (the 39,313ordinal-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.