Arbitrary-precision integer
An integer representation that can accommodate values beyond fixed-width limits by expanding storage as needed, without loss of integer precision.
Math for Web Design
BigInt is a JavaScript primitive numeric type for representing integers of arbitrary magnitude.
- How it is used
- Protects calculations involving backend IDs, timestamps, financial data, scientific APIs, or cryptography from unsafe integer precision.
- How deep it goes
- Explains creation, exact arithmetic, type-mixing errors, truncating division, and browser-facing limitations without BigInt internals.
- Examples
- Uses maximum-safe-integer additions, string construction, mixed-type errors, arithmetic expressions, and an isSafeInt() exercise.
- What you can do after
- Apply it via JavaScript BigInt literals or BigInt() when integer calculations may exceed the safe number range.
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Clojure: The Essential Reference
BigInt is Clojure's arbitrary-precision integer representation, optimized to use primitive numeric values when possible.
- How it is used
- Uses arbitrary-precision operators for integer calculations that may exceed signed long limits, including large-number cryptography.
- How deep it goes
- Defines promotion boundaries, operand requirements, Java interoperation, examples, and operator arities without detailing BigInt internals.
- Examples
- Demonstrates boundary promotion, the 2N literal, and BigInt-backed Diffie-Hellman operations.
- What you can do after
- Apply it via Clojure's quoted arithmetic operators and Java BigInteger conversions for calculations beyond fixed-width integer limits.
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Julia as a Second Language
BigInt is Julia's arbitrary-size integer type, capable of representing integers beyond fixed-width integer ranges.
- How it is used
- Use BigInt when fixed-width integer types, including Int128, cannot represent the required value.
- How deep it goes
- Defines arbitrary-size integers, explains conversion and literal creation, and stops short of broader macro details.
- Examples
- Uses BigInt(42), big"42", fixed-width overflow, and parse-time construction as practical examples.
- What you can do after
- Apply BigInt and big literals to represent integers larger than fixed-width ranges while recognizing their performance cost.
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Grokking Relational Database Design
BIGINT is a SQL integer data type designed to represent very large whole-number values.
- How it is used
- Guides selection of integer types for database attributes, especially identifiers and values that may exceed INT capacity.
- How deep it goes
- Explains 8-byte storage, signed and unsigned ranges, and a requirements-based selection procedure.
- Examples
- Uses INT's 4,294,967,295 unsigned maximum and a payment_id attribute to demonstrate datatype selection.
- What you can do after
- Evaluate integer attributes and choose BIGINT or a smaller integer type from expected value ranges.
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Related concepts
- unix timestamp functionproduced by · A Unix timestamp function converts a date or timestamp into a numeric value representing time relative to the Unix epoch.
- data typekind of · A data type classifies values and specifies their representation or interpretation and the operations applicable to them.
- exact-match accuracyincludes · Exact-match accuracy evaluates outputs by whether they exactly equal their references under specified comparison rules.
- number typealternative to · A number type is a programming-language or data-system type whose values represent numeric quantities and support defined numerical operations.
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