Properties of the Number 24997

Twenty-Four Thousand Nine Hundred Ninety-Seven

Basics

Value: 24996 → 24997 → 24998

Parity: odd

Prime: No

Previous Prime: 24989

Next Prime: 25013

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 7 × 3571

Divisors: 1, 7, 3571, 24997

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110000110100101

Octal: 60645

Duodecimal: 12571

Hexadecimal: 61a5

Square: 624850009

Square Root: 158.1043958908164

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) = floor(n*φ¹⁷), where φ is the golden ratio, A001622. A4932

a(n) = smallest k such that 4k has a digit sum = n. A77490

a(n) = round(n*φ¹⁷), where φ is the golden ratio, A001622. A4952

E.g.f. cos(x)/(cos(x)-x). A191005

a(n) = number of (s(0), s(1), ..., s(n)) such that every s(i) is an integer, s(0) = 0 = s(n), |s(i) - s(i-1)| = 1 for i = 1,2; |s(i) - s(i-1)| <= 1 for i >= 3. Also a(n) = T(n,n), where T is the array defined in A024996. A24997

Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 5 6 or 7. A252194