Properties of the Number 73969

Seventy-Three Thousand Nine Hundred Sixty-Nine

Basics

Value: 73968 → 73969 → 73970

Parity: odd

Prime: No

Previous Prime: 73961

Next Prime: 73973

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 7 × 10567

Divisors: 1, 7, 10567, 73969

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10010000011110001

Octal: 220361

Duodecimal: 36981

Hexadecimal: 120f1

Square: 5471412961

Square Root: 271.9724250728371

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 that cannot be expressed as sum of at most nine repdigits numbers. One may not add two integers with the same repeated digit. A339673

Consider a number n with m decimal digits, m>9. The sequence lists the numbers n such that the prefix of length m-1 and the suffix of length m-1 are both perfect squares. A244283

a(0) = 1 and a(n) = A005169(n) - A005169(n-1). A289080

Indices of the primes that have the same base-10 digits as the corresponding prime number (with multiplicity), disregarding zero digits. A355318

a(n) = 2·n⁴ - floor(2^1/4*n)⁴. A257854

Numbers whose second digit is not zero and such that removing either the first or last digit leaves a square number. A343855

Smallest k such that 36^k mod k = n. A178197

Number of strings of length n over Z₅ with trace 1 and subtrace 3. A73969