Properties of the Number 73725

Seventy-Three Thousand Seven Hundred Twenty-Five

Basics

Value: 73724 → 73725 → 73726

Parity: odd

Prime: No

Previous Prime: 73721

Next Prime: 73727

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 ² × 983

Divisors: 1, 3, 5, 15, 25, 75, 983, 2949, 4915, 14745

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001111111111101

Octal: 217775

Duodecimal: 367B9

Hexadecimal: 11ffd

Square: 5435375625

Square Root: 271.5234796477093

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

Numbers n such that the decimal expansions of both n and n² have 2 as smallest digit and 7 as largest digit. A257123

Expansion of ∏_m>=1 (1 + m·q^m)³. A22631

Let u(1)=u(2)=1, u(3)=n, u(k) = (1/2)*abs(2·u(k-1) -u(k-2)-u(k-3)); sequence gives values of n such that ∑_k>=1 u(k) is an integer. A78113

a(n)-th composite number = φ(n-th composite number); a(1)=a(2)=0. A73725