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Properties of the Number 8449

Eight Thousand Four Hundred Forty-Nine

Basics

Value: 8448 → 8449 → 8450

Parity: odd

Prime: No

Previous Prime: 8447

Next Prime: 8461

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 7 × 17 × 71

Divisors: 1, 7, 17, 71, 119, 497, 1207, 8449

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000100000001

Octal: 20401

Duodecimal: 4A81

Hexadecimal: 2101

Square: 71385601

Square Root: 91.91844211038392

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

Centered 16-gonal numbers. A69129
Triangle T(n,k), n>=1, 0<=k<=n-1, read by rows: T(n,k)/(n-1)! is the coefficient of xk in polynomial pn for the n-th row sequence of A145153. A145142
17-gonal (or heptadecagonal) numbers: a(n) = n*(15·n-13)/2. A51869
Square array T(M,N) read by antidiagonals: number of dimer tilings of a 2·M X 2·N Moebius strip. A103997
Positive solutions·to the equation x2 + (x+71)2 = y2. A118673
a(n) = a(n-1) + a(m) for n >= 4, where m = 2·n - 3 - 2p+1 and p is the unique value such that 2p < n - 1 <= 2p+1, starting with a(1) = a(2) = 1 and a(3) = 3. A50032
a(n) = a(n-1) + a(m) for n >= 3, where m = 2·n - 3 - 2p+1 and p is the unique integer such that 2p < n - 1 <= 2p+1, starting with a(1) = 1 and a(2) = 2. A50048
a(n) = a(n-1) + a(m) for n >= 4, where m = 2·n - 3 - 2p+1 and p is the unique integer such that 2p < n - 1 <= 2p+1, starting with a(1) = 1 and a(2) = a(3) = 3. A50064
Products of 3 distinct non-Sophie Germain primes. A157347
a(n) = 2 + (89040 + (71868 + (29932 + (8449 + (1960 + (322 + (28 + n)*n)*n)*n)*n)*n)*n)*n/40320. A145130