13,975
13,975 is a composite number, odd.
13,975 (thirteen thousand nine hundred seventy-five) is an odd 5-digit number. It is a composite number with 12 divisors, and factors as 5² × 13 × 43. Written other ways, in hexadecimal, 0x3697.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 25
- Digit product
- 945
- Digital root
- 7
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 57,931
- Recamán's sequence
- a(20,766) = 13,975
- Square (n²)
- 195,300,625
- Cube (n³)
- 2,729,326,234,375
- Divisor count
- 12
- σ(n) — sum of divisors
- 19,096
- φ(n) — Euler's totient
- 10,080
- Sum of prime factors
- 66
Primality
Prime factorization: 5 2 × 13 × 43
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√13,975 = [118; (4, 1, 1, 1, 2, 1, 1, 25, 1, 2, 4, 3, 2, 1, 5, 2, 1, 2, 1, 8, 1, 2, 1, 2, …)]
Period length 40 — the block in parentheses repeats forever.
Representations
- In words
- thirteen thousand nine hundred seventy-five
- Ordinal
- 13975th
- Binary
- 11011010010111
- Octal
- 33227
- Hexadecimal
- 0x3697
- Base64
- Npc=
- One's complement
- 51,560 (16-bit)
- Scientific notation
- 1.3975 × 10⁴
- As a duration
- 13,975 s = 3 hours, 52 minutes, 55 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ιγϡοεʹ
- Mayan (base 20)
- 𝋡·𝋮·𝋲·𝋯
- Chinese
- 一萬三千九百七十五
- Chinese (financial)
- 壹萬參仟玖佰柒拾伍
Digit at this position in famous constants
- π — Pi (π)
- Digit 13,975 = 4
- e — Euler's number (e)
- Digit 13,975 = 8
- φ — Golden ratio (φ)
- Digit 13,975 = 0
- √2 — Pythagoras's (√2)
- Digit 13,975 = 6
- ln 2 — Natural log of 2
- Digit 13,975 = 1
- γ — Euler-Mascheroni (γ)
- Digit 13,975 = 8
Also seen as
UTF-8 encoding: E3 9A 97 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.54.151.
- Address
- 0.0.54.151
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.54.151
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 13,975 Hz is closest to:
- Concert pitch (A4 = 440 Hz): A9 (14080 Hz, -13¢)
- Scientific pitch (C4 = 256 Hz): A9 (13777.2 Hz, +25¢)
- Baroque pitch (A4 = 415 Hz): A♯9 (14069.7 Hz, -12¢)
The digit sequence 13975 first appears in π at position 136,691 of the decimal expansion (the 136,691ordinal-suffix:st 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.