Properties of the Number 67139

Sixty-Seven Thousand One Hundred Thirty-Nine

Basics

Value: 67138 → 67139 → 67140

Parity: odd

Prime: Yes

Previous Prime: 67129

Next Prime: 67141

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 67139

Divisors: 1, 67139

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000011001000011

Octal: 203103

Duodecimal: 32A2B

Hexadecimal: 10643

Square: 4507645321

Square Root: 259.1119449195656

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

Primes equal to a centered heptagonal number plus 1. A285811

a(n) indicates the position of 5 after n iterations of A064553. A64600

Lesser of twin happy primes. A387240

Irreducible elements in OR-numbral arithmetic. A67139

Number of integers whose arithmetic derivative is equal to the n-th partial sum of primorial numbers. A369239

Irregular triangle read by rows, where row n lists in ascending order all numbers k whose arithmetic derivative k' is equal to the n-th partial sum of primorials, A143293(n). Rows of length zero are simply omitted, i.e., when A369239(n) = 0. A369240