Properties of the Number 54999

Fifty-Four Thousand Nine Hundred Ninety-Nine

Basics

Value: 54998 → 54999 → 55000

Parity: odd

Prime: No

Previous Prime: 54983

Next Prime: 55001

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 7 × 97

Divisors: 1, 3, 7, 9, 21, 27, 63, 81, 97, 189

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101011011010111

Octal: 153327

Duodecimal: 279B3

Hexadecimal: d6d7

Square: 3024890001

Square Root: 234.51865597431689

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

Integers of the form 8k + 7 that can be written as a sum of four distinct squares of the form m, m + 2, m + 3, m + 4, where m == 2 (mod 4). A243581

Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=2, r=2, I={0,1}. A80013

Triangle T(n,k) = 10^n-1 -1 + k·floor(9·10^n-1/(n+1)), with 1 <= r <= n, read by rows. A93850

Arithmetic mean of all n-digit positive even numbers. A110430

a(1) = 4; a(n) = average of the largest and the smallest n-digit primes. A73863

Integers that can be expressed as the sum of consecutive primes in exactly 4 ways. A54999

Number of (n+2)X(3+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 3 5 6 or 8 and every 3X3 diagonal and antidiagonal sum not equal to 0 3 5 6 or 8. A252329