141,521
141,521 is a composite number, odd.
141,521 (one hundred forty-one thousand five hundred twenty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 137 × 1,033. Written other ways, in hexadecimal, 0x228D1.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 40
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 125,141
- Recamán's sequence
- a(485,785) = 141,521
- Square (n²)
- 20,028,193,441
- Cube (n³)
- 2,834,409,963,963,761
- Divisor count
- 4
- σ(n) — sum of divisors
- 142,692
- φ(n) — Euler's totient
- 140,352
- Sum of prime factors
- 1,170
Primality
Prime factorization: 137 × 1033
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√141,521 = [376; (5, 5, 3, 107, 5, 1, 6, 1, 1, 1, 1, 1, 1, 14, 1, 2, 1, 4, 1, 2, 1, 14, 1, 1, …)]
Period length 36 — the block in parentheses repeats forever.
Representations
- In words
- one hundred forty-one thousand five hundred twenty-one
- Ordinal
- 141521st
- Binary
- 100010100011010001
- Octal
- 424321
- Hexadecimal
- 0x228D1
- Base64
- AijR
- One's complement
- 4,294,825,774 (32-bit)
- Scientific notation
- 1.41521 × 10⁵
- As a duration
- 141,521 s = 1 day, 15 hours, 18 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρμαφκαʹ
- Mayan (base 20)
- 𝋱·𝋭·𝋰·𝋡
- Chinese
- 一十四萬一千五百二十一
- Chinese (financial)
- 壹拾肆萬壹仟伍佰貳拾壹
Also seen as
UTF-8 encoding: F0 A2 A3 91 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.40.209.
- Address
- 0.2.40.209
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.40.209
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 141,521 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 141521 first appears in π at position 496,409 of the decimal expansion (the 496,409ordinal-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.