122,988
122,988 is a composite number, even.
122,988 (one hundred twenty-two thousand nine hundred eighty-eight) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 3 × 37 × 277. Its proper divisors sum to 172,804, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1E06C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 30
- Digit product
- 2,304
- Digital root
- 3
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 889,221
- Square (n²)
- 15,126,048,144
- Cube (n³)
- 1,860,322,409,134,272
- Divisor count
- 24
- σ(n) — sum of divisors
- 295,792
- φ(n) — Euler's totient
- 39,744
- Sum of prime factors
- 321
Primality
Prime factorization: 2 2 × 3 × 37 × 277
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√122,988 = [350; (1, 2, 3, 2, 1, 1, 14, 2, 1, 174, 1, 2, 14, 1, 1, 2, 3, 2, 1, 700)]
Period length 20 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-two thousand nine hundred eighty-eight
- Ordinal
- 122988th
- Binary
- 11110000001101100
- Octal
- 360154
- Hexadecimal
- 0x1E06C
- Base64
- AeBs
- One's complement
- 4,294,844,307 (32-bit)
- Scientific notation
- 1.22988 × 10⁵
- As a duration
- 122,988 s = 1 day, 10 hours, 9 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκβϡπηʹ
- Mayan (base 20)
- 𝋯·𝋧·𝋩·𝋨
- Chinese
- 一十二萬二千九百八十八
- Chinese (financial)
- 壹拾貳萬貳仟玖佰捌拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 122988, here are decompositions:
- 17 + 122971 = 122988
- 31 + 122957 = 122988
- 59 + 122929 = 122988
- 67 + 122921 = 122988
- 97 + 122891 = 122988
- 101 + 122887 = 122988
- 127 + 122861 = 122988
- 139 + 122849 = 122988
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9E 81 AC (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.224.108.
- Address
- 0.1.224.108
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.224.108
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 122,988 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 122988 first appears in π at position 37,524 of the decimal expansion (the 37,524ordinal-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°.