Properties of the Number 69629

Sixty-Nine Thousand Six Hundred Twenty-Nine

Basics

Value: 69628 → 69629 → 69630

Parity: odd

Prime: No

Previous Prime: 69623

Next Prime: 69653

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 7 ⁴ × 29

Divisors: 1, 7, 29, 49, 203, 343, 1421, 2401, 9947, 69629

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10000111111111101

Octal: 207775

Duodecimal: 34365

Hexadecimal: 10ffd

Square: 4848197641

Square Root: 263.8730755495907

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 k such that k | 13^k + 1. A15963

Numbers k such that k | 6^k + 1. A15953

Expansion of ∏_k>=0 (1 + x^4·k+1)^4·k+1. A285288

a(n) = (sqrt(7)*csc(π/7)/2)ⁿ + (-sqrt(7)*csc(2*π/7)/2)ⁿ + (-sqrt(7)*csc(4*π/7)/2)ⁿ. A275831

a(n) = 2·a(n-1) + 3 for n>1, a(1)=14. A156203

Positive numbers y such that y² is of the form x²+(x+2401)² with integer x. A157247

Number of length 6 nonnegative integer arrays starting and ending with 0 with adjacent elements differing by no more than n. A204214

Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 110-111-010 pattern in any orientation. A146246

1/16 the number of n X n arrays of squares of integers with every 2X2 subblock summing to 30. A159229

a(1) = 2; a(2n) = smallest prime starting (most significant digits) with a(2n-1). a(2n+1) = smallest prime ending (least significant digits)in a(2n). A69629