137,572
137,572 is a composite number, even.
137,572 (one hundred thirty-seven thousand five hundred seventy-two) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 163 × 211. Written other ways, in hexadecimal, 0x21964.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 1,470
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 275,731
- Recamán's sequence
- a(493,683) = 137,572
- Square (n²)
- 18,926,055,184
- Cube (n³)
- 2,603,695,263,773,248
- Divisor count
- 12
- σ(n) — sum of divisors
- 243,376
- φ(n) — Euler's totient
- 68,040
- Sum of prime factors
- 378
Primality
Prime factorization: 2 2 × 163 × 211
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√137,572 = [370; (1, 9, 1, 3, 27, 4, 1, 1, 3, 35, 23, 6, 1, 1, 11, 4, 4, 2, 2, 1, 1, 1, 10, 3, …)]
Representations
- In words
- one hundred thirty-seven thousand five hundred seventy-two
- Ordinal
- 137572nd
- Binary
- 100001100101100100
- Octal
- 414544
- Hexadecimal
- 0x21964
- Base64
- Ahlk
- One's complement
- 4,294,829,723 (32-bit)
- Scientific notation
- 1.37572 × 10⁵
- As a duration
- 137,572 s = 1 day, 14 hours, 12 minutes, 52 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρλζφοβʹ
- Mayan (base 20)
- 𝋱·𝋣·𝋲·𝋬
- Chinese
- 一十三萬七千五百七十二
- Chinese (financial)
- 壹拾參萬柒仟伍佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 137572, here are decompositions:
- 5 + 137567 = 137572
- 53 + 137519 = 137572
- 89 + 137483 = 137572
- 173 + 137399 = 137572
- 179 + 137393 = 137572
- 233 + 137339 = 137572
- 251 + 137321 = 137572
- 269 + 137303 = 137572
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A1 A5 A4 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.25.100.
- Address
- 0.2.25.100
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.25.100
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 137,572 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 137572 first appears in π at position 778,862 of the decimal expansion (the 778,862ordinal-suffix:nd 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.