Properties of the Number -7949

Nine Hundred Forty-Nine

Basics

Value: -7950 → -7949 → -7948

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 7949

Divisors: 1, 7949

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111100001101

Octal: -17415

Duodecimal: -4725

Hexadecimal: -1f0d

Square: 63186601

Square Root: 89.15716460273958

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Primes of the form 2·n² + 11. A50265

a(n) is the number of rooted trees with 2n vertices n of whom are leaves. A185650

a(n) is the solution to the postage stamp problem with n denominations and 5 stamps. A1215

T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change 0,0 0,1 1,0 -1,0 or 0,-2. A264217

Primes having only {4, 7, 9} as digits. A261183

The set of primes of the form 4n+1 that is minimal in the sense of A071062. A111055

Primes that are the first in a run of exactly 3 emirps. A346023

Primes p = prime(k) such that both p+2 and prime(k+5)-2 are prime numbers. A105412

Primes p with property that p concatenated with its emirp p' (prime reversal) forms a palindromic prime of the form 'primemirp' (rightmost digit of p and leftmost digit of p' are blended together - p and p' palindromic allowed). A54217

Prime quartet leaders: largest number of a prime quartet. A119892