139,722
139,722 is a composite number, even.
139,722 (one hundred thirty-nine thousand seven hundred twenty-two) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2 × 3 × 11 × 29 × 73. Its proper divisors sum to 179,958, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x221CA.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 24
- Digit product
- 756
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 227,931
- Recamán's sequence
- a(489,383) = 139,722
- Square (n²)
- 19,522,237,284
- Cube (n³)
- 2,727,686,037,795,048
- Divisor count
- 32
- σ(n) — sum of divisors
- 319,680
- φ(n) — Euler's totient
- 40,320
- Sum of prime factors
- 118
Primality
Prime factorization: 2 × 3 × 11 × 29 × 73
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,722 = [373; (1, 3, 1, 5, 1, 14, 2, 2, 9, 1, 2, 3, 124, 3, 2, 1, 9, 2, 2, 14, 1, 5, 1, 3, …)]
Period length 26 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-nine thousand seven hundred twenty-two
- Ordinal
- 139722nd
- Binary
- 100010000111001010
- Octal
- 420712
- Hexadecimal
- 0x221CA
- Base64
- AiHK
- One's complement
- 4,294,827,573 (32-bit)
- Scientific notation
- 1.39722 × 10⁵
- As a duration
- 139,722 s = 1 day, 14 hours, 48 minutes, 42 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρλθψκβʹ
- Mayan (base 20)
- 𝋱·𝋩·𝋦·𝋢
- Chinese
- 一十三萬九千七百二十二
- Chinese (financial)
- 壹拾參萬玖仟柒佰貳拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 139722, here are decompositions:
- 13 + 139709 = 139722
- 19 + 139703 = 139722
- 41 + 139681 = 139722
- 59 + 139663 = 139722
- 61 + 139661 = 139722
- 103 + 139619 = 139722
- 113 + 139609 = 139722
- 131 + 139591 = 139722
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 87 8A (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.33.202.
- Address
- 0.2.33.202
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.33.202
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 139,722 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 139722 first appears in π at position 564,357 of the decimal expansion (the 564,357ordinal-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°.