4,950
4,950 is a composite number, even.
4,950 (four thousand nine hundred fifty) is an even 4-digit number. It is a composite number with 36 divisors, and factors as 2 × 3² × 5² × 11. Its proper divisors sum to 9,558, more than the number itself, making it an abundant number. It is the 99th triangular number. Written other ways, in hexadecimal, 0x1356.
Interestingness
Properties
Primality
Prime factorization: 2 × 3 2 × 5 2 × 11
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√4,950 = [70; (2, 1, 4, 5, 2, 2, 2, 2, 2, 5, 4, 1, 2, 140)]
Period length 14 — the block in parentheses repeats forever.
Representations
- In words
- four thousand nine hundred fifty
- Ordinal
- 4950th
- Binary
- 1001101010110
- Octal
- 11526
- Hexadecimal
- 0x1356
- Base64
- E1Y=
- One's complement
- 60,585 (16-bit)
- Scientific notation
- 4.95 × 10³
- As a duration
- 4,950 s = 1 hour, 22 minutes, 30 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹 𒌋𒌋𒁹𒁹 𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵δϡνʹ
- Mayan (base 20)
- 𝋬·𝋧·𝋪
- Chinese
- 四千九百五十
- Chinese (financial)
- 肆仟玖佰伍拾
Digit at this position in famous constants
- π — Pi (π)
- Digit 4,950 = 3
- e — Euler's number (e)
- Digit 4,950 = 4
- φ — Golden ratio (φ)
- Digit 4,950 = 9
- √2 — Pythagoras's (√2)
- Digit 4,950 = 2
- ln 2 — Natural log of 2
- Digit 4,950 = 1
- γ — Euler-Mascheroni (γ)
- Digit 4,950 = 0
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 4950, here are decompositions:
- 7 + 4943 = 4950
- 13 + 4937 = 4950
- 17 + 4933 = 4950
- 19 + 4931 = 4950
- 31 + 4919 = 4950
- 41 + 4909 = 4950
- 47 + 4903 = 4950
- 61 + 4889 = 4950
Showing the first eight; more decompositions exist.
UTF-8 encoding: E1 8D 96 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.19.86.
- Address
- 0.0.19.86
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.19.86
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 4,950 Hz is closest to:
- Concert pitch (A4 = 440 Hz): D♯8 (4978 Hz, -10¢)
- Scientific pitch (C4 = 256 Hz): D♯8 (4871 Hz, +28¢)
- Baroque pitch (A4 = 415 Hz): E8 (4974.4 Hz, -9¢)
The digit sequence 4950 first appears in π at position 7,577 of the decimal expansion (the 7,577ordinal-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
- Triangular numbers — 1, 3, 6, 10, 15 … the counting numbers stacked into triangles, and Gauss's famous shortcut for summing them.
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.