4226

RFC 4226 defines HOTP, counter-based one-time passwords.

Even
Composite

1 confirmed record · 1 sourceChecked, general knowledgeHow we qualify claimsReport a correction

Where 4226 fits

4226 connects to 2 worlds: mathematics, related numbers.

Why 4226 is special

The counter on the token and the counter on the server drift apart whenever a code is generated and not used, which is why servers accept a window of values.

Factors & digit properties

Divisors (4): 1, 2, 2113, 4226
Prime factorisation: 2 × 2113
Digit sum: 14
Digital root: 5

Representations

Decimal: 4226
Binary: 1000010000010
Octal: 10202
Hexadecimal: 1082
Scientific notation: 4.226 × 10^3

Other mathematical patterns

Deficient number
Semiprime

Related numbers & connections

Connection

HOTP is HMAC applied to a counter, truncated to a short decimal code a person can type.

View 2104 →

Other connections

developed from2104
why?
Strength 0.50, confidence "high".
developed from6238
why?
Strength 0.50, confidence "high".

How is 4226 connected to another number? →

Technology & computing

RFC 4226 specifies HMAC-based one-time passwords derived from a shared secret and an incrementing counter. Servers accept a look-ahead window to tolerate unused generations.
DocumentedTechnology & computingGeography: International — IETFPeriod: 2005

Common questions

Is 4226 a prime number?

No, 4226 is not prime.

What are the factors of 4226?

The factors of 4226 are 1, 2, 2113, 4226.

About this page's data

Mathematical facts:computed directly from the number's value — nothing to source or verify externally.

Contextual records: 1 reviewer-confirmed record, sourced and reviewed before publication.

Last reviewed: 3 August 2026