Properties of the Number 55125

Fifty-Five Thousand One Hundred Twenty-Five

Basics

Value: 55124 → 55125 → 55126

Parity: odd

Prime: No

Previous Prime: 55117

Next Prime: 55127

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 ³ × 7 ²

Divisors: 1, 3, 5, 7, 9, 15, 21, 25, 35, 45

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101011101010101

Octal: 153525

Duodecimal: 27A99

Hexadecimal: d755

Square: 3038765625

Square Root: 234.7871376374779

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

Factorial base exp-function: digits in factorial base representation of n become the exponents of successive prime factors whose product a(n) is. A276076

Unitary harmonic numbers (those for which the unitary harmonic mean is an integer). A6086

Numbers with exactly 3 distinct odd prime divisors {3,5,7}. A147576

Twisted variant of A276086 indexed by A328625. A328624

Numbers of the form p³*q²*r² where p, q, and r are distinct primes. A179695

Triangle T(m,s), m >= 0, 0 <= s <= m, arising in the computation of certain integrals. A59366

Number of n-node rooted identity trees of height at most 5. A38084

A certain partition array in Abramowitz-Stegun order (A-St order). A134144

Odd bisection of A283983; square root of the largest square dividing A277324. A283484

Square root of the largest square dividing prime factorization representation of the n-th Stern polynomial: a(n) = A000188(A260443(n)). A283983