139,700
139,700 is a composite number, even.
139,700 (one hundred thirty-nine thousand seven hundred) is an even 6-digit number. It is a composite number with 36 divisors, and factors as 2² × 5² × 11 × 127. Its proper divisors sum to 193,612, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x221B4.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 7,931
- Recamán's sequence
- a(489,427) = 139,700
- Square (n²)
- 19,516,090,000
- Cube (n³)
- 2,726,397,773,000,000
- Divisor count
- 36
- σ(n) — sum of divisors
- 333,312
- φ(n) — Euler's totient
- 50,400
- Sum of prime factors
- 152
Primality
Prime factorization: 2 2 × 5 2 × 11 × 127
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,700 = [373; (1, 3, 4, 46, 2, 16, 2, 46, 4, 3, 1, 746)]
Period length 12 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-nine thousand seven hundred
- Ordinal
- 139700th
- Binary
- 100010000110110100
- Octal
- 420664
- Hexadecimal
- 0x221B4
- Base64
- AiG0
- One's complement
- 4,294,827,595 (32-bit)
- Scientific notation
- 1.397 × 10⁵
- As a duration
- 139,700 s = 1 day, 14 hours, 48 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢
- Greek (Milesian)
- ͵ρλθψʹ
- Mayan (base 20)
- 𝋱·𝋩·𝋥·𝋠
- Chinese
- 一十三萬九千七百
- Chinese (financial)
- 壹拾參萬玖仟柒佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 139700, here are decompositions:
- 3 + 139697 = 139700
- 19 + 139681 = 139700
- 37 + 139663 = 139700
- 73 + 139627 = 139700
- 103 + 139597 = 139700
- 109 + 139591 = 139700
- 163 + 139537 = 139700
- 199 + 139501 = 139700
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 86 B4 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.33.180.
- Address
- 0.2.33.180
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.33.180
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 139,700 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.