Properties of the Number 80444

Eighty Thousand Four Hundred Forty-Four

Basics

Value: 80443 → 80444 → 80445

Parity: even

Prime: No

Previous Prime: 80429

Next Prime: 80447

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 7 × 13 ² × 17

Divisors: 1, 2, 4, 7, 13, 14, 17, 26, 28, 34

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011101000111100

Octal: 235074

Duodecimal: 3A678

Hexadecimal: 13a3c

Square: 6471237136

Square Root: 283.62651498052855

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

a(n) = (n+1)*binomial(n+5, 5). A27810

Sum of third powers of two consecutive primes. A133534

Antidiagonal sums of the convolution array A213505. A213547

Numbers k such that the prime gap between the consecutive primes p1 < k² < p2 sets a new record. A350100

Absolute value of coefficient of term [x^n-3] in characteristic polynomial of maximum matrix A of size n X n, where n >= 3. Maximum matrix A(i,j) is MAX(i,j), where indices i and j run from 1 to n. A112459

Numbers k such that k, k+1 and k+2 have exactly 4 distinct prime factors. A364309

T(2n+6,n), array T as in A055794. A55799

Number of level steps in all 2-Motzkin paths (i.e., Motzkin paths with blue and red level steps) of length n, without red level steps on the x-axis. A126223

a(n) = (prime(n)⁶-prime(n)²)/60. A138451

Triangle read by rows: T(n,k) = binomial(2n+1, n-k)*Fibonacci(2k+1), 0 <= k <= n. A103245