137,813
137,813 is a composite number, odd.
137,813 (one hundred thirty-seven thousand eight hundred thirteen) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 13 × 10,601. Written other ways, in hexadecimal, 0x21A55.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 23
- Digit product
- 504
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 318,731
- Recamán's sequence
- a(493,201) = 137,813
- Square (n²)
- 18,992,422,969
- Cube (n³)
- 2,617,402,786,626,797
- Divisor count
- 4
- σ(n) — sum of divisors
- 148,428
- φ(n) — Euler's totient
- 127,200
- Sum of prime factors
- 10,614
Primality
Prime factorization: 13 × 10601
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√137,813 = [371; (4, 3, 5, 1, 4, 1, 4, 1, 3, 17, 185, 1, 1, 3, 1, 4, 2, 2, 2, 2, 2, 2, 4, 1, …)]
Period length 39 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-seven thousand eight hundred thirteen
- Ordinal
- 137813th
- Binary
- 100001101001010101
- Octal
- 415125
- Hexadecimal
- 0x21A55
- Base64
- AhpV
- One's complement
- 4,294,829,482 (32-bit)
- Scientific notation
- 1.37813 × 10⁵
- As a duration
- 137,813 s = 1 day, 14 hours, 16 minutes, 53 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλζωιγʹ
- Mayan (base 20)
- 𝋱·𝋤·𝋪·𝋭
- Chinese
- 一十三萬七千八百一十三
- Chinese (financial)
- 壹拾參萬柒仟捌佰壹拾參
Also seen as
UTF-8 encoding: F0 A1 A9 95 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.26.85.
- Address
- 0.2.26.85
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.26.85
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 137,813 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 137813 first appears in π at position 16,248 of the decimal expansion (the 16,248ordinal-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.