139,997
139,997 is a composite number, odd.
139,997 (one hundred thirty-nine thousand nine hundred ninety-seven) is an odd 6-digit number. It is a composite number with 12 divisors, and factors as 11² × 13 × 89. Written other ways, in hexadecimal, 0x222DD.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 38
- Digit product
- 15,309
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 799,931
- Recamán's sequence
- a(488,833) = 139,997
- Square (n²)
- 19,599,160,009
- Cube (n³)
- 2,743,823,603,779,973
- Divisor count
- 12
- σ(n) — sum of divisors
- 167,580
- φ(n) — Euler's totient
- 116,160
- Sum of prime factors
- 124
Primality
Prime factorization: 11 2 × 13 × 89
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,997 = [374; (6, 5, 2, 5, 1, 2, 1, 2, 5, 1, 4, 1, 1, 5, 1, 1, 1, 3, 5, 1, 10, 6, 10, 1, …)]
Period length 44 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-nine thousand nine hundred ninety-seven
- Ordinal
- 139997th
- Binary
- 100010001011011101
- Octal
- 421335
- Hexadecimal
- 0x222DD
- Base64
- AiLd
- One's complement
- 4,294,827,298 (32-bit)
- Scientific notation
- 1.39997 × 10⁵
- As a duration
- 139,997 s = 1 day, 14 hours, 53 minutes, 17 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλθϡϟζʹ
- Mayan (base 20)
- 𝋱·𝋩·𝋳·𝋱
- Chinese
- 一十三萬九千九百九十七
- Chinese (financial)
- 壹拾參萬玖仟玖佰玖拾柒
Also seen as
UTF-8 encoding: F0 A2 8B 9D (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.34.221.
- Address
- 0.2.34.221
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.34.221
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 139,997 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 139997 first appears in π at position 498,086 of the decimal expansion (the 498,086ordinal-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.