13,977
13,977 is a composite number, odd.
13,977 (thirteen thousand nine hundred seventy-seven) is an odd 5-digit number. It is a composite number with 6 divisors, and factors as 3² × 1,553. Written other ways, in hexadecimal, 0x3699.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 27
- Digit product
- 1,323
- Digital root
- 9
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 77,931
- Recamán's sequence
- a(20,762) = 13,977
- Square (n²)
- 195,356,529
- Cube (n³)
- 2,730,498,205,833
- Divisor count
- 6
- σ(n) — sum of divisors
- 20,202
- φ(n) — Euler's totient
- 9,312
- Sum of prime factors
- 1,559
Primality
Prime factorization: 3 2 × 1553
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√13,977 = [118; (4, 2, 5, 3, 9, 1, 28, 1, 1, 1, 7, 2, 25, 1, 4, 14, 1, 1, 2, 1, 3, 3, 2, 2, …)]
Period length 60 — the block in parentheses repeats forever.
Representations
- In words
- thirteen thousand nine hundred seventy-seven
- Ordinal
- 13977th
- Binary
- 11011010011001
- Octal
- 33231
- Hexadecimal
- 0x3699
- Base64
- Npk=
- One's complement
- 51,558 (16-bit)
- Scientific notation
- 1.3977 × 10⁴
- As a duration
- 13,977 s = 3 hours, 52 minutes, 57 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ιγϡοζʹ
- Mayan (base 20)
- 𝋡·𝋮·𝋲·𝋱
- Chinese
- 一萬三千九百七十七
- Chinese (financial)
- 壹萬參仟玖佰柒拾柒
Digit at this position in famous constants
- π — Pi (π)
- Digit 13,977 = 8
- e — Euler's number (e)
- Digit 13,977 = 6
- φ — Golden ratio (φ)
- Digit 13,977 = 9
- √2 — Pythagoras's (√2)
- Digit 13,977 = 1
- ln 2 — Natural log of 2
- Digit 13,977 = 2
- γ — Euler-Mascheroni (γ)
- Digit 13,977 = 8
Also seen as
UTF-8 encoding: E3 9A 99 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.54.153.
- Address
- 0.0.54.153
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.54.153
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 13,977 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, -11¢)
The digit sequence 13977 first appears in π at position 370,195 of the decimal expansion (the 370,195ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.