136,520
136,520 is a composite number, even.
136,520 (one hundred thirty-six thousand five hundred twenty) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 5 × 3,413. Its proper divisors sum to 170,740, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x21548.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 25,631
- Square (n²)
- 18,637,710,400
- Cube (n³)
- 2,544,420,223,808,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 307,260
- φ(n) — Euler's totient
- 54,592
- Sum of prime factors
- 3,424
Primality
Prime factorization: 2 3 × 5 × 3413
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√136,520 = [369; (2, 17, 1, 1, 9, 1, 8, 2, 4, 2, 2, 1, 1, 1, 3, 1, 6, 1, 183, 1, 6, 1, 3, 1, …)]
Period length 38 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-six thousand five hundred twenty
- Ordinal
- 136520th
- Binary
- 100001010101001000
- Octal
- 412510
- Hexadecimal
- 0x21548
- Base64
- AhVI
- One's complement
- 4,294,830,775 (32-bit)
- Scientific notation
- 1.3652 × 10⁵
- As a duration
- 136,520 s = 1 day, 13 hours, 55 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ρλϛφκʹ
- Mayan (base 20)
- 𝋱·𝋡·𝋦·𝋠
- Chinese
- 一十三萬六千五百二十
- Chinese (financial)
- 壹拾參萬陸仟伍佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 136520, here are decompositions:
- 19 + 136501 = 136520
- 37 + 136483 = 136520
- 67 + 136453 = 136520
- 73 + 136447 = 136520
- 103 + 136417 = 136520
- 127 + 136393 = 136520
- 193 + 136327 = 136520
- 211 + 136309 = 136520
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 95 88 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.21.72.
- Address
- 0.2.21.72
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.21.72
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 136,520 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.