139,672
139,672 is a composite number, even.
139,672 (one hundred thirty-nine thousand six hundred seventy-two) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 13 × 17 × 79. Its proper divisors sum to 162,728, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x22198.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 28
- Digit product
- 2,268
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 276,931
- Recamán's sequence
- a(489,483) = 139,672
- Square (n²)
- 19,508,267,584
- Cube (n³)
- 2,724,758,749,992,448
- Divisor count
- 32
- σ(n) — sum of divisors
- 302,400
- φ(n) — Euler's totient
- 59,904
- Sum of prime factors
- 115
Primality
Prime factorization: 2 3 × 13 × 17 × 79
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,672 = [373; (1, 2, 1, 1, 1, 82, 2, 2, 2, 2, 3, 8, 1, 14, 2, 1, 3, 4, 5, 1, 1, 1, 6, 1, …)]
Representations
- In words
- one hundred thirty-nine thousand six hundred seventy-two
- Ordinal
- 139672nd
- Binary
- 100010000110011000
- Octal
- 420630
- Hexadecimal
- 0x22198
- Base64
- AiGY
- One's complement
- 4,294,827,623 (32-bit)
- Scientific notation
- 1.39672 × 10⁵
- As a duration
- 139,672 s = 1 day, 14 hours, 47 minutes, 52 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρλθχοβʹ
- Mayan (base 20)
- 𝋱·𝋩·𝋣·𝋬
- Chinese
- 一十三萬九千六百七十二
- Chinese (financial)
- 壹拾參萬玖仟陸佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 139672, here are decompositions:
- 11 + 139661 = 139672
- 53 + 139619 = 139672
- 83 + 139589 = 139672
- 101 + 139571 = 139672
- 179 + 139493 = 139672
- 233 + 139439 = 139672
- 263 + 139409 = 139672
- 311 + 139361 = 139672
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 86 98 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.33.152.
- Address
- 0.2.33.152
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.33.152
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 139,672 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 139672 first appears in π at position 649,609 of the decimal expansion (the 649,609ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.