139,772
139,772 is a composite number, even.
139,772 (one hundred thirty-nine thousand seven hundred seventy-two) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 83 × 421. Written other ways, in hexadecimal, 0x221FC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 29
- Digit product
- 2,646
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 277,931
- Recamán's sequence
- a(489,283) = 139,772
- Square (n²)
- 19,536,211,984
- Cube (n³)
- 2,730,615,421,427,648
- Divisor count
- 12
- σ(n) — sum of divisors
- 248,136
- φ(n) — Euler's totient
- 68,880
- Sum of prime factors
- 508
Primality
Prime factorization: 2 2 × 83 × 421
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√139,772 = [373; (1, 6, 5, 4, 4, 2, 1, 6, 2, 186, 2, 6, 1, 2, 4, 4, 5, 6, 1, 746)]
Period length 20 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-nine thousand seven hundred seventy-two
- Ordinal
- 139772nd
- Binary
- 100010000111111100
- Octal
- 420774
- Hexadecimal
- 0x221FC
- Base64
- AiH8
- One's complement
- 4,294,827,523 (32-bit)
- Scientific notation
- 1.39772 × 10⁵
- As a duration
- 139,772 s = 1 day, 14 hours, 49 minutes, 32 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρλθψοβʹ
- Mayan (base 20)
- 𝋱·𝋩·𝋨·𝋬
- Chinese
- 一十三萬九千七百七十二
- Chinese (financial)
- 壹拾參萬玖仟柒佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 139772, here are decompositions:
- 13 + 139759 = 139772
- 19 + 139753 = 139772
- 43 + 139729 = 139772
- 109 + 139663 = 139772
- 163 + 139609 = 139772
- 181 + 139591 = 139772
- 271 + 139501 = 139772
- 313 + 139459 = 139772
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A2 87 BC (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.33.252.
- Address
- 0.2.33.252
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.33.252
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 139,772 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 139772 first appears in π at position 962,989 of the decimal expansion (the 962,989ordinal-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.