Properties of the Number 73125

Seventy-Three Thousand One Hundred Twenty-Five

Basics

Value: 73124 → 73125 → 73126

Parity: odd

Prime: No

Previous Prime: 73121

Next Prime: 73127

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 ⁴ × 13

Divisors: 1, 3, 5, 9, 13, 15, 25, 39, 45, 65

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001110110100101

Octal: 216645

Duodecimal: 36399

Hexadecimal: 11da5

Square: 5347265625

Square Root: 270.4163456597992

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

4-dimensional figurate numbers: a(n) = n·binomial(n+2, 3). A2417

Triangle of succession numbers for circular permutations. A134832

Number of n-chains of divisors of n. A343939

Numbers that are the sum of 2 nonzero squares in exactly 5 ways. A25288

Numbers that are the sum of 2 distinct nonzero squares in exactly 5 ways. A25306

Third column (k=2) of triangle A134832 (circular succession numbers). A134515

30-gonal pyramidal numbers: a(n) = n*(n+1)*(28·n-25)/6. A256650

G.f. A(x) satisfies: A(x) = A(x²) + x * (1 + 4·x + x²) / (1 - x)⁴. A328408

a(n) = 225*(n-1)*(n-2)/2. A27470

Bisection of A002417. A100430