Properties of the Number 61504

Sixty-One Thousand Five Hundred Four

Basics

Value: 61503 → 61504 → 61505

Parity: even

Prime: No

Previous Prime: 61493

Next Prime: 61507

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ⁶ × 31 ²

Divisors: 1, 2, 4, 8, 16, 31, 32, 62, 64, 124

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1111000001000000

Octal: 170100

Duodecimal: 2B714

Hexadecimal: f040

Square: 3782742016

Square Root: 248

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

Denominator of 1/64 - 1/n². A61050

a(n) = (11·n + 6)². A17462

Squares with initial digit '6'. A45789

Numbers with prime factorization p²*q⁶. A189990

The first of three consecutive squares the sum of which is equal to the sum of three consecutive primes. A298222

Numbers with 21 divisors. A137484

Molecular topological indices of the complete graph K_n. A181617

a(n) = (9·n + 5)². A17222

Squares whose external digits (MSD and LSD) form a square. Or squares from which deleting the internal digits leaves a square. A77356

Triangle of the discriminant of the polynomials xⁿ - x^m - 1, where 0 < m < n. A238195