Properties of the Number 61838

Sixty-One Thousand Eight Hundred Thirty-Eight

Basics

Value: 61837 → 61838 → 61839

Parity: even

Prime: No

Previous Prime: 61837

Next Prime: 61843

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 ² × 631

Divisors: 1, 2, 7, 14, 49, 98, 631, 1262, 4417, 8834

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000110001110

Octal: 170616

Duodecimal: 2B952

Hexadecimal: f18e

Square: 3823938244

Square Root: 248.67247535664256

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 m such that the square of m is the concatenation of two numbers k and k+5. A115439

Let P1>=3, P2, P3 be consecutive primes, with P3-P2=2. a(n)=(P2+P3)/12 when P2-P1 sets a record. A329158

Number of monohedral disk tilings of type C^t_{3,n}. A296361

Let P1 >= 3, P2, P3 be consecutive primes, with P3 - P2 = 2. a(n) = (P2 + P3)/12 for the first occurrence of (P2 - P1)/2 = n. A329251

6·a(n) - 1 is the least prime p of a pair of twin primes p, p + 2, for which the prime gap immediately below p achieves the size 2·A007494(n). A337435

Numbers k such that (k+3)³ | k!. A61838