2,402
2,402 is a composite number, even.
2,402 (two thousand four hundred two) is an even 4-digit number. It is a composite number with 4 divisors, and factors as 2 × 1,201. Written other ways, in Roman numerals it is MMCDII and in binary, 100101100010.
Interestingness
Properties
Primality
Prime factorization: 2 × 1201
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√2,402 = [49; (98)]
Period length 1 — the block in parentheses repeats forever.
Representations
- In words
- two thousand four hundred two
- Ordinal
- 2402nd
- Roman numeral
- MMCDII
- Binary
- 100101100010
- Octal
- 4542
- Hexadecimal
- 0x962
- Base64
- CWI=
- One's complement
- 63,133 (16-bit)
- Scientific notation
- 2.402 × 10³
- As a duration
- 2,402 s = 40 minutes, 2 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒌋 𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓍢𓍢𓍢𓍢𓏺𓏺
- Greek (Milesian)
- ͵βυβʹ
- Mayan (base 20)
- 𝋦·𝋠·𝋢
- Chinese
- 二千四百零二
- Chinese (financial)
- 貳仟肆佰零貳
Digit at this position in famous constants
- π — Pi (π)
- Digit 2,402 = 0
- e — Euler's number (e)
- Digit 2,402 = 9
- φ — Golden ratio (φ)
- Digit 2,402 = 5
- √2 — Pythagoras's (√2)
- Digit 2,402 = 7
- ln 2 — Natural log of 2
- Digit 2,402 = 0
- γ — Euler-Mascheroni (γ)
- Digit 2,402 = 7
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 2402, here are decompositions:
- 3 + 2399 = 2402
- 13 + 2389 = 2402
- 19 + 2383 = 2402
- 31 + 2371 = 2402
- 61 + 2341 = 2402
- 109 + 2293 = 2402
- 151 + 2251 = 2402
- 163 + 2239 = 2402
Showing the first eight; more decompositions exist.
UTF-8 encoding: E0 A5 A2 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.9.98.
- Address
- 0.0.9.98
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.9.98
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 2,402 Hz is closest to:
- Concert pitch (A4 = 440 Hz): D7 (2349.3 Hz, +38¢)
- Scientific pitch (C4 = 256 Hz): D♯7 (2435.5 Hz, -24¢)
- Baroque pitch (A4 = 415 Hz): D♯7 (2347.6 Hz, +40¢)
The digit sequence 2402 first appears in π at position 7,708 of the decimal expansion (the 7,708ordinal-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.