49
49 is a perfect square (7²) and marks a significant mourning period in Tibetan Buddhist tradition.
Where 49 fits
Why 49 is special
49's mathematical identity (7²) sits alongside a specific, well-documented Buddhist practice: a 49-day mourning/transition period reflecting the Tibetan Buddhist concept of the intermediate state (bardo) between death and rebirth.
49 is part of
Factors & digit properties
- Divisors (3)
- 1, 7, 49
- Prime factorisation
- 7^2
- Digit sum
- 13
- Digital root
- 4
Representations
- Decimal
- 49
- Binary
- 110001
- Octal
- 61
- Hexadecimal
- 31
- Roman numeral
- XLIX
- Scientific notation
- 4.900 × 10^1
Other mathematical patterns
- Deficient number
- Happy number
- Powerful number
- Semiprime
- Lucky number (mathematical sieve)
Related numbers & connections
49 is a factor of 98 (49 × 2 = 98).
View 98 →Mathematically related
- is a factor of98
why?
Strength 0.50, confidence "high".
Religion & belief
Tibetan Buddhist tradition observes a 49-day mourning/transition period reflecting the bardo, the intermediate state between death and rebirth described in texts such as the Bardo Thödol ("Tibetan Book of the Dead").
DocumentedReligion & beliefCulture: Tibetan Buddhist traditionTibetan Buddhist tradition observes a 49-day mourning/transition period reflecting the bardo, the intermediate state between death and rebirth described in texts such as the Bardo Thödol ("Tibetan Book of the Dead").
DocumentedReligion & beliefCulture: Tibetan Buddhist tradition
Common questions
Is 49 a prime number?
No, 49 is not prime.
What are the factors of 49?
The factors of 49 are 1, 7, 49.
What is 49 in Roman numerals?
49 in Roman numerals is XLIX.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.
Contextual records: 2 reviewer-confirmed records, sourced and reviewed before publication.
Last reviewed: 15 July 2026